Implement git capabilities of processing-adapters (#406)

.gitlab-ci.yml

@@ -21,11 +21,15 @@ stages:
 build:
   stage: build
   script: ./gradlew assemble
+  only:
+    - master
 
 deploy:
   stage: deploy
   script:
     - ./gradlew publish -x test :search-docs:publish $NEXUS_CREDENTIALS
+  only:
+    - master
 
 docs:
   stage: deploy