chore(ci): enable automated dev image push, and add release image gen

.woodpecker/experimental.yaml

@@ -24,9 +24,10 @@ steps:
       - pnpm run --filter='!megalodon' test
       - pnpm run --filter=backend --filter=misskey-js lint
       - pnpm run --filter=frontend --filter=frontend-embed eslint
-  - name: Build and Deploy
+  - name: Build and Push Dev Image
     when:
-      - event: manual
+      - branch: dev
+      - event: push
     image: woodpeckerci/plugin-docker-buildx
     settings:
       repo: codeberg.org/yeentown/barkey
@@ -38,3 +39,18 @@ steps:
         from_secret: docker_username
       password:
         from_secret: docker_password
+  - name: Build and Push Release
+    when:
+      - event: release
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      repo: codeberg.org/yeentown/barkey
+      registry: codeberg.org
+      dockerfile: Dockerfile
+      platforms: linux/amd64
+      tag: latest
+      auto_tag: true
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password