DOC: Update installation link, usage

README.md

@@ -22,7 +22,7 @@ To start up the server:
 If you want to install and run the server locally, first install the package
 
 ```
-$ pip install https://github.com/mgxd/fastapi-telemetry/archive/refs/heads/master.zip
+$ pip install https://github.com/mgxd/migas-server/archive/refs/heads/master.zip
 ```
 
 * Note: Python 3.10 or higher is required.
@@ -42,6 +42,7 @@ options:
   --workers WORKERS  worker processes
   --reload           Reload app on change (dev only)
   --proxy-headers    Accept incoming proxy headers
+  --headers [HEADERS ...]  Custom HTTP response headers as 'Name:Value' pairs
 ```
 </details>