add readme, path whitelist

.gitea/workflows/build-and-publish.yml

@@ -2,7 +2,9 @@ name: Build and Publish Runner Image
 
 on:
   push:
-    branches: [main, master]
+    branches: [main]
+    paths:
+      - "Dockerfile"
   workflow_dispatch:
 
 jobs:

readme.md

@@ -0,0 +1,12 @@
+# setup-ansible
+
+The custom Node Alpine image responsible for deploying tasks in my homelab via Ansible.
+
+```yaml
+jobs:
+  deploy:
+    name: Prepare
+    runs-on: ansible
+    steps:
+      # ...
+```