Update docker-publish.yml

Author: HJackH

.github/workflows/docker-publish.yml

@@ -4,9 +4,18 @@ on:
   push:
     branches:
       - main
+    paths-ignore:
+     - 'README.md'
 
   # Run tests for any PRs.
   pull_request:
+    branches:
+      - main
+    paths-ignore:
+     - 'README.md'
+  
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
 
 env:
   VERSION: latest