Checkin CRD to make go get work (#3047)

Signed-off-by: Mikkel Oscar Lyderik Larsen <mikkel.larsen@zalando.de>

.gitignore

@@ -106,6 +106,3 @@ mocks
 ui/.npm/
 
 .DS_Store
-
-# temp build files
-pkg/apis/acid.zalan.do/v1/postgresql.crd.yaml

delivery.yaml

@@ -23,7 +23,10 @@ pipeline:
       - desc: Run unit tests
         cmd: |
           make mocks test
-
+          if ! git diff --quiet; then
+            echo "Build resulted in files being changed, likely they were not checked in"
+            exit 1
+          fi
       - desc: Build Docker image
         cmd: |
           if [ -z ${CDP_SOURCE_BRANCH} ]; then