Release v7.0.0 - Repository cleanup and professional documentation

Major Changes:
- Add professional README with feature highlights and installation guide
- Add comprehensive CHANGELOG following Keep a Changelog format
- Add MIT LICENSE file
- Add dedicated settings page (settings.html, settings.css, settings.js)

Repository Cleanup:
- Remove internal planning documents (PR_*, RELEASE_NOTES_*, TESTING.md)
- Remove development tools (create-icons.html, generate-icons.js)
- Move KEYBOARD_SHORTCUTS_GUIDE.md to docs/ folder
- Update .gitignore to exclude internal documents
- Remove .DS_Store from tracking

Documentation Improvements:
- Professional README with badges, features, and usage guide
- Complete version history in CHANGELOG.md
- Keyboard shortcuts reference with customization tips
- Browser compatibility matrix
- Contributing guidelines

This release focuses on making the repository production-ready with
professional documentation, proper licensing, and clean file structure.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: nsebastian-web

.DS_Store

@@ -4,3 +4,15 @@ node_modules/
 
 # Build artifacts and release packages
 *.zip
+
+# Internal planning and development documents
+PR_*.md
+PRODUCTION_AUDIT_REPORT.md
+TESTING.md
+TROUBLESHOOTING.md
+USER_GUIDE_*.md
+RELEASE_NOTES_*.md
+
+# Development tools
+create-icons.html
+generate-icons.js

.gitignore

@@ -0,0 +1,135 @@
+# Changelog
+
+All notable changes to the Screenshot & Annotation Tool will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [7.0.0] - 2026-02-14
+
+### Added
+- Settings page with dedicated UI for configuration management
+- Advanced settings panel for customizing extension behavior
+- Google Drive folder organization preferences
+- Enhanced keyboard shortcuts customization interface
+- Professional welcome overlay for first-time users
+- Recent uploads section in popup interface
+- Quick tips and contextual help
+
+### Changed
+- Improved UI/UX with modern design patterns
+- Enhanced popup interface with better visual hierarchy
+- Optimized settings modal with tabbed navigation
+- Better error messaging and user feedback
+
+### Fixed
+- Various UI consistency improvements
+- Performance optimizations for large screenshots
+- Memory management improvements
+
+## [6.0.0] - 2026-02-11
+
+### Added
+- Stable Google Drive integration with OAuth 2.0
+- Per-user OAuth configuration for multi-user support
+- Detailed OAuth debugging and error messages
+- Improved redirect handling for authentication flow
+
+### Fixed
+- OAuth authentication flow reliability
+- Google Drive upload error handling
+- Authentication token refresh issues
+
+## [5.0.0] - 2026-02-10
+
+### Added
+- Google Drive cloud sharing integration (initial release)
+- Auto-upload screenshots to Google Drive
+- Folder organization for uploaded screenshots
+- Upload history tracking
+- QR code generation for shareable links
+- Batch operations support
+- Multi-format export (PNG, JPG, PDF)
+
+### Changed
+- Enhanced sharing capabilities with cloud storage
+- Improved file management workflow
+
+## [4.0.0] - 2026-02-09
+
+### Added
+- Line tool with customizable arrow endpoints
+- Adjustable opacity/transparency slider (0-100%) for all annotations
+- Multiple stroke width presets (S, M, L, XL: 1px, 3px, 5px, 8px)
+- Color presets palette with 8 quick-access colors
+- Recently used colors tracking (last 5 colors)
+- Text formatting enhancements: **Bold**, *Italic*, <u>Underline</u>
+- Numbered callouts for sequential annotations
+- Magnify tool for zooming into specific areas
+
+### Changed
+- Enhanced toolbar with quick-access preset buttons
+- Improved color picker with preset integration
+- Better text editing experience with formatting options
+
+### Fixed
+- Arrow dropdown sizing issues
+- CSS syntax errors
+- UI consistency improvements
+
+## [2.0.0] - 2026-02-05
+
+### Added
+- Customizable keyboard shortcuts with settings modal
+- Arrow key navigation for precise positioning (1px/10px modes)
+- Professional settings interface with conflict detection
+- Reset to defaults functionality for shortcuts
+- Highlight/marker tool with semi-transparent rendering (40% opacity)
+- Arrow color customization for all 4 arrow styles
+- Persistent settings via chrome.storage.sync
+
+### Changed
+- Enhanced keyboard shortcut system with full customization
+- Improved annotation movement with arrow keys
+- Better color picker integration for arrows
+
+### Fixed
+- Keyboard shortcut conflicts
+- Settings persistence across browser sessions
+
+## [1.0.0] - 2026-01-15
+
+### Added
+- Initial release with core screenshot functionality
+- Area selection capture (macOS-style)
+- Full page capture
+- Selection mode capture
+- Pen tool for freehand drawing
+- Text annotations with custom fonts and colors
+- Shape tools (rectangles and circles)
+- Blur tool for sensitive information
+- 4 hand-drawn arrow styles
+- Select tool for moving, resizing, and rotating annotations
+- Undo/Redo support (50 states)
+- Save as PNG
+- Copy to clipboard
+- Delete and clear all functionality
+- Basic keyboard shortcuts (V, P, H, T, B, R, C)
+
+---
+
+## Legend
+
+- **Added** - New features
+- **Changed** - Changes in existing functionality
+- **Deprecated** - Soon-to-be removed features
+- **Removed** - Removed features
+- **Fixed** - Bug fixes
+- **Security** - Vulnerability fixes
+
+[7.0.0]: https://github.com/yourusername/screenshot-annotation/releases/tag/v7.0.0
+[6.0.0]: https://github.com/yourusername/screenshot-annotation/releases/tag/v6.0.0
+[5.0.0]: https://github.com/yourusername/screenshot-annotation/releases/tag/v5.0.0
+[4.0.0]: https://github.com/yourusername/screenshot-annotation/releases/tag/v4.0.0
+[2.0.0]: https://github.com/yourusername/screenshot-annotation/releases/tag/v2.0.0
+[1.0.0]: https://github.com/yourusername/screenshot-annotation/releases/tag/v1.0.0

CHANGELOG.md

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Screenshot & Annotation Tool Contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.