add rsync action action.yml (mais si c'est clair)

.actions/rsync/action.yml

@@ -1,3 +1,10 @@
 name: 'rsync wiki files'
 description: 'custom gitea action for rsync wiki files'
 author: 'ludal'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.config-file }}
+    - ${{ inputs.output-dir }}
+    - ${{ inputs.workdir }}