feat(README): add new features and update installation

- Add support for multiple commit formats (Conventional, Angular, Semantic, Linux Kernel)
- Introduce repository and author-specific commit styles
- Add instructions for updating the tool
- Expand usage examples for different commit formats

BREAKING CHANGE: Remove basic auth support in favor of OAuth2

Author: sidedwards

README.md

@@ -1,12 +1,16 @@
 # auto-commit
 
-Automatically generate git commit messages using AI. Analyzes your staged changes and creates clear, conventional commit messages.
+Automatically generate git commit messages using Claude 3 Haiku. Analyzes your staged changes and creates clear commit messages. Uses the conventional commit format by default, but you can also train it to use a repo or author-specific style.
 
 ## Features
 
 - Generates clear, concise commit messages from staged changes
-- Interactive editing with vim
-- Secure API key storage
+- Supports multiple commit formats:
+  - Conventional Commits (default)
+  - Angular
+  - Semantic Git Commits (with emojis)
+  - Linux Kernel style
+  - Repository or author-specific commit styles
 - Simple CLI interface
 
 ## Installation
@@ -45,15 +49,41 @@ cd auto-commit
 deno task install
 ````
 
+### Updating
+
+```bash
+# If installed from source
+cd auto-commit
+deno task update
+
+# If using pre-built binary
+# Download the latest release and follow installation steps above
+```
+
 ## Usage
 
 ```bash
 # Optional: Set up git alias
 git config --global alias.ac '!auto-commit'
 
-# Use the tool
+# Use the tool with default commit style (conventional)
 git add <files>
 auto-commit  # or 'git ac' if alias configured
+
+# Use a specific commit format
+auto-commit --format=conventional  # default
+auto-commit --format=angular      # Angular style
+auto-commit --format=semantic     # with emojis
+auto-commit --format=kernel       # Linux kernel style
+
+# View repository authors
+auto-commit --list-authors
+
+# Learn commit style from repository history
+auto-commit --learn
+
+# Learn commit style from specific author
+auto-commit --learn --author="user@example.com"
 ```
 
 Example output:
@@ -78,10 +108,59 @@ Proposed commit:
 
 On first run, you'll be prompted to enter your [Anthropic API key](https://console.anthropic.com/account/keys).
 
+### Commit Formats
+
+The tool supports several commit message formats:
+
+1. **Conventional** (default): `type(scope): description`
+   ```
+   feat(auth): add OAuth2 authentication
+   ```
+
+2. **Angular**: Similar to conventional but with stricter rules
+   ```
+   feat(auth): implement OAuth2 authentication
+
+   * Add login endpoints
+   * Set up token management
+
+   BREAKING CHANGE: Remove basic auth support
+   ```
+
+3. **Semantic** (with emojis): `emoji description`
+   ```
+   ✨ Add new user authentication system
+
+   - Implement OAuth2 flow
+   - Add session management
+
+   Closes #123
+   ```
+
+4. **Linux Kernel**: `subsystem: change summary`
+   ```
+   auth: implement secure token rotation
+
+   Previous implementation had security flaws.
+   This patch adds automatic rotation with
+   proper invalidation of old tokens.
+
+   Signed-off-by: John Doe <john@example.com>
+   ```
+
+5. **Repository or Author-Specific**: Learn from repository history or specific author's style
+   ```
+   # Learn commit style from repository history 
+   auto-commit --learn
+
+   # Learn commit style from specific author
+   auto-commit --learn --author="user@example.com"
+   ```
+
 ## Requirements
 
 - Git
-- Vim
+- Vim (for editing commit messages)
 - Anthropic API key
 
 ## License