Use fenced code blocks for commands

Author: danbarr

public/docs/how-to/install.md

@@ -9,7 +9,9 @@ Windows) or Docker Engine (Linux) installed and running.
 
 To download and run the container, run the following from a terminal:
 
-`docker run -d -p 127.0.0.1:8989:8989 --name codegate stacklok/codegate`
+```shell
+docker run -d -p 127.0.0.1:8989:8989 --name codegate stacklok/codegate
+```
 
 The container runs in the background (`-d`) and listens on the localhost
 interface using the default port (8989). To use a different listening port,
@@ -19,12 +21,16 @@ modify the `-p` flag: `-p 127.0.0.1:YOUR_PORT:8989`.
 
 Use the `docker logs` command to view recent log messages:
 
-`docker logs codegate`
+```shell
+docker logs codegate
+```
 
 Or to follow the log stream live (useful for troubleshooting), add the `-follow`
 flag:
 
-`docker logs --follow codegate`
+```shell
+docker logs --follow codegate
+```
 
 ## Manage the CodeGate container