Added job to deploy builder

.woodpecker.yml

@@ -1,4 +1,14 @@
 pipeline:
+    publish-builder:
+        image: plugins/docker
+        repo: chewingbever/fej-builder
+        dockerfile: docker/Dockerfile.builder
+        tag: [ latest ]
+        secrets: [ docker_username, docker_password ]
+        when:
+            branch: develop
+            event: push
+
     build-frontend:
         image: node:15-alpine3.13
         pull: true