update

README.md

@@ -12,10 +12,19 @@ npm install
 ```
 
 ## Usage
-
-```bash
-node server.js
-```
+### Starting server
+1. Run `node server.js` (or any node manager - pm2/ nodemon) at your project folder.
+2. Access to the GeoVolumes Landing Page at http://localhost:port. 
+   * **Landing Page**:  `http://localhost:port`
+   * **Collections**: `http://localhost:port/collections`
+   * **Collections with bbox filter**: `http://localhost:port/collections?bbox=minx,miny,maxx,maxy`
+
+### Adding Collection
+* Add contents to `3DGeoVolumes\collections\collections.json` 
+* Add contents to `3DGeoVolumes\collections\:collectionId\collectionId.json` (The automated script could be added here in future.)
+
+### Configuration
+* Port can be adjusted in the `server.js` file. 
 
 ## Contributing
 Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.