update template

.github/.teamplate-README.md

@@ -6,4 +6,33 @@
 
 <img src="https://raw.githubusercontent.com/docker-library/docs/c350af05d3fac7b5c3f6327ac82fe4d990d8729c/docker/logo.png" alt="Docker logo" width="200"><img src="$logoUrl" alt="Mod logo" height="200">
 
-This Docker image contains the HLDS of the `$mod` game.
+This Docker image contains the HLDS of the `$mod` game.
+
+At [00:00 on Sunday](https://github.com/$githubRepository/blob/master/.github/workflows/CI.yml) using [GitHub Actions](https://github.com/$githubRepository/actions), all images are automatically [rebuilt and published](https://github.com/$githubRepository/blob/master/.github/workflows/CI.yml) to Docker Hub (https://hub.docker.com/u/$dockerUser). 
+
+## Usage
+### Default fast start
+```bash
+docker run --rm -ti $dockerUser/$mod:public 
+```
+This will start you `$mod` server with the default startup parameters specified in `CMD`.
+
+### Custom launch params
+```bash
+docker run --rm -ti -p 27015:27015/udp $dockerUser/$mod:public ./hlds_run -game $mod +ip 0.0.0.0 -port 27015 +map crossfire
+```
+
+## About 
+### CMD
+The default `CMD` for an image is:
+```Dockerfile
+CMD ["bash", "-c", "./hlds_run -game $mod +ip 0.0.0.0 -port 27016 +map $(head -n 1 ./${MOD}/mapcycle.txt)"]]
+```
+
+> [!NOTE]  
+> `$(head -n 1 ./${MOD}/mapcycle.txt)` - takes the first line (map name) from $mod/mapcycle.txt to enable the server.
+
+These values allow you to execute a string of initialization commands before calling the game binary.
+
+### WORKDIR
+The default [work directory](https://docs.docker.com/reference/dockerfile/#workdir) for all the images is `/home/hlds` within which all of a game's files reside.