Added building pipeline for current branch

ref #31

.drone.yml

@@ -61,6 +61,31 @@ trigger:
   event:
     - push
 
+---
+kind: pipeline
+type: kubernetes
+name: build:testing
+
+steps:
+  - name: build testing
+    image: plugins/docker
+    depends_on: [clone]
+    settings:
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      repo: registry.odit.services/lfk/selfservice
+      tags:
+        - testing
+      registry: registry.odit.services
+      mtu: 1000
+trigger:
+  branch:
+    - bugfix/31-env_linking
+  event:
+    - push
+
 ---
 kind: pipeline
 type: kubernetes