Major rewrite, automatic path, smaller binary

README.md

@@ -6,7 +6,7 @@ A zero-configuration Rust CLI for instantly serving any local directory over HTT
 - Zero-configuration: serve the current directory immediately with sensible defaults
 - Flexible options to override directory, port, and bind address
 - Graceful shutdown on Ctrl+C
-- Tiny release binary (<1MB)
+- Tiny release binary (~650KB)
 
 ## About
 `quickstart` takes any local directory and serves it over HTTP ***instantly***, letting you:
@@ -36,7 +36,9 @@ By default, this installs to:
 - **Windows**: `$env:USERPROFILE\.quickstart\bin` (same as double-click)
 
 ### Add to PATH
-Ensure your local bin directory is in your PATH:
+`quickstart` automatically attempts to add itself to your PATH on first run. If this succeeds, you'll see a confirmation message. **You may need to restart your terminal/IDE** for PATH changes to take effect.
+
+If automatic setup fails, manually ensure your local bin directory is in your PATH:
 
 **Windows (PowerShell)**  
 ```powershell
@@ -48,19 +50,22 @@ $env:Path += ";$env:USERPROFILE\.quickstart\bin"
 export PATH="$HOME/.quickstart/bin:$PATH"
 ```
 
-After updating, restart your terminal.
-
 ## Usage
 ```bash
 quickstart [OPTIONS]
 ```
 
 ## Examples
-Serve the current directory on port 8080:
+Serve the current directory on localhost port 8080:
 ```bash
 quickstart
+# Serving C:\Users\Caileb\Downloads at http://127.0.0.1:8080
 ```
 Serve the `public` directory on port 3000:
 ```bash
 quickstart -d public -p 3000
+```
+Serve on all network interfaces (for LAN sharing):
+```bash
+quickstart -b 0.0.0.0 -p 8080
 ```