Apply suggestions from code review

Author: wdconinc

README.devcontainer-feature.md

@@ -29,7 +29,7 @@ This feature is intended to be published to the GitHub Container Registry (GHCR)
 4.  **Publish the Feature:**
     Run the following command from the root of this repository. The namespace should match the GitHub organization (`cvmfs-contrib`).
     ```bash
-    devcontainer features publish src/cvmfs --namespace cvmfs-contrib/
+    devcontainer features publish --namespace cvmfs-contrib/github-action-cvmfs .
     ```
 
 ### Automated Publishing

README.md

@@ -149,7 +149,7 @@ For example, you can add the following to your `devcontainer.json` to use this f
     "name": "CVMFS Action Dev",
     "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
     "features": {
-        "ghcr.io/cvmfs-contrib/features/cvmfs": {
+        "ghcr.io/cvmfs-contrib/github-action-cvmfs/cvmfs": {
             "CVMFS_REPOSITORIES": "sft.cern.ch"
         }
     }

devcontainer-feature.json

@@ -17,7 +17,7 @@
     "CVMFS_HTTP_PROXY": {
       "type": "string",
       "default": "DIRECT",
-      "description": "Chain of HTTP proxy groups used by CernVM-FS. Defaults to DIRECT)"
+      "description": "Chain of HTTP proxy groups used by CernVM-FS. Defaults to DIRECT."
     }
   },
   "entrypoint": "install-cvmfs-linux.sh"