Update README.md

docs: update README with installation and setup instructions

Merge branch 'main' of https://github.com/webexpertcarlo/lazycommit

Add check for staged changes before generating commit message

Update index.js

Merge branch 'main' of https://github.com/webexpertcarlo/lazycommit

Initial commit: Add LazyCommit tool with .gitignore, LICENSE, README, and main code files.

Update package.json

Update README.md

Create package.json

Create index.js

Initial commit