docs: add MIT license and status badges

Add comprehensive project documentation and licensing:

- Add MIT License file (Copyright 2025 Tim Van Wassenhove)
- Add status badges to README:
  - CI/Build status from GitHub Actions
  - Go Report Card (code quality)
  - Code coverage via Codecov
  - Go package reference (pkg.go.dev)
  - MIT License badge
  - Latest release version

Typical Go project badges that provide at-a-glance project health
and quality indicators.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Author: timvw

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Tim Van Wassenhove
+
+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.

README.md

@@ -1,6 +1,13 @@
 # wt - Git Worktree Manager
 
-A fast, simple Git worktree helper written in Go. 
+[![CI](https://github.com/timvw/wt/actions/workflows/ci.yml/badge.svg)](https://github.com/timvw/wt/actions/workflows/ci.yml)
+[![Go Report Card](https://goreportcard.com/badge/github.com/timvw/wt)](https://goreportcard.com/report/github.com/timvw/wt)
+[![codecov](https://codecov.io/gh/timvw/wt/branch/main/graph/badge.svg)](https://codecov.io/gh/timvw/wt)
+[![Go Reference](https://pkg.go.dev/badge/github.com/timvw/wt.svg)](https://pkg.go.dev/github.com/timvw/wt)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+[![Release](https://img.shields.io/github/v/release/timvw/wt)](https://github.com/timvw/wt/releases)
+
+A fast, simple Git worktree helper written in Go.
 Inspired by [haacked/dotfiles/tree-me](https://github.com/haacked/dotfiles/blob/main/bin/tree-me).
 
 ## Features