Update README.md

README.md

@@ -1,11 +1,20 @@
 # Casparcg Image Provider
 
-Provides images from CasparCG channels & layers on a HTTP interface.
-Sacrifices one of more channels in CasparCG for creating a grid, in order to provide several streams on one stream.
+Streams CasparCG content to web clients, using Motion-JPEG.
+Sacrifices a channel in CasparCG to create a grid, in order to provide several (low-quality-) streams on a single stream to the client.
 
-Using a channel for snapshotting
+## Usage
 
-## Development
+Run from source or download an executable from [Releases](https://github.com/SuperFlyTV/casparCG-image-provider/releases).
+
+On initial startup a config file (`casparcg-image-provider.config`) will be created.
+By default, the LAST channel in CasparCG will be used to create a 3-by-3 grid, allowing up to 9 previews to be streamed to the client.
+Custom configuration is possible, and described [here](https://github.com/SuperFlyTV/casparCG-image-provider/blob/master/src/config.ts).
+
+After having started the application, head over to [http:localhost:5255](http:localhost:5255) to explore the API.
+
+
+## For developers
 ### Prerequisites
 
 * yarn global add nodemon ts-node
@@ -22,7 +31,6 @@ Windows: `yarn pkg-win32`
 
 ### Ref implementation
 
-Reference implementations for client-side can be accessed at
+Reference implementation for client-side can be accessed at
 
 * http://localhost:5255/channel/1/view-stream
-* http://localhost:5255/channel/1/view-image