Add comprehensive Reddit fetcher module with PRAW integration

This commit adds a complete Reddit post fetching module for video script generation:

Features:
- RedditFetcher class with PRAW integration for fetching posts
- Fetch posts by ID, URL, or from subreddits
- Extract comprehensive post data (title, body, comments, media, awards, metadata)
- Configurable options for comment limits, sorting, and filtering
- Media extraction support (images, videos, galleries, external links)
- Clean text processing for video script generation
- JSON export functionality
- Custom error handling with specific exception types

Files added:
- reddit_fetcher.py: Main module with RedditFetcher class
- reddit_config.py: Configuration file for API credentials and options
- examples/reddit_fetcher_example.py: Comprehensive usage examples
- REDDIT_FETCHER_README.md: Full documentation and usage guide
- .env.example: Environment variable template
- .gitignore: Git ignore file to protect credentials

Dependencies:
- Added praw>=7.7.1 for Reddit API access
- Added prawcore>=2.3.0 for API core functionality
- Added python-dotenv>=1.0.0 for environment variable support
- Added requests>=2.31.0 for HTTP requests

Author: claude

.env.example

@@ -0,0 +1,12 @@
+# Reddit API Configuration
+# Copy this file to .env and fill in your credentials
+
+# Get these from https://www.reddit.com/prefs/apps
+REDDIT_CLIENT_ID=your_client_id_here
+REDDIT_CLIENT_SECRET=your_client_secret_here
+REDDIT_USER_AGENT=RedditVideoScript/1.0 (by /u/YourUsername)
+
+# Optional: Customize fetch behavior
+# REDDIT_MAX_COMMENTS=10
+# REDDIT_COMMENT_SORT=best
+# REDDIT_MIN_COMMENT_SCORE=5

.gitignore

@@ -0,0 +1,67 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Virtual environments
+venv/
+ENV/
+env/
+.venv
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Reddit API Credentials - IMPORTANT: Keep these private!
+.env
+reddit_config_local.py
+
+# Downloaded media
+reddit_media/
+*.jpg
+*.png
+*.mp4
+*.gif
+
+# Exported data
+reddit_post_*.json
+*.json
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+
+# Model files (large)
+*.pth
+*.bin
+*.ckpt
+*.safetensors
+
+# DeepSeek OCR specific
+DeepSeek-OCR-master/models/