add ci build

.woodpecker.yml

@@ -0,0 +1,20 @@
+pipeline:
+  build:
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      repo: git.dreamfall.space/${CI_REPO_OWNER}/prosody
+      registry: git.dreamfall.space
+      tag: latest
+      username: ${CI_REPO_OWNER}
+      password:
+        from_secret: git_token
+
+  notify:
+    image: deblan/woodpecker-email
+    settings:
+      from: woodpecker@clacks.network
+      host: smtp.migadu.com
+      username:
+        from_secret: smtp_user
+      password:
+        from_secret: smtp_pass