Add project-group-structure plugin checker

Change-Id: Idce232a115ea211f26c77ca1dc97de3584255302
diff --git a/checkers.yaml b/checkers.yaml
index df49abf..7570067 100644
--- a/checkers.yaml
+++ b/checkers.yaml
@@ -106,6 +106,11 @@
     name: "Zuul Check Pipeline"
     description: "Run Zuul jobs on new patchsets"
 
+  - uuid: "zuul-check:plugins_project-group-structure"
+    repository: "plugins/project-group-structure"
+    name: "Zuul Check Pipeline"
+    description: "Run Zuul jobs on new patchsets"
+
   - uuid: "zuul-check:plugins_reviewers"
     repository: "plugins/reviewers"
     name: "Zuul Check Pipeline"
diff --git a/zuul/main.yaml b/zuul/main.yaml
index 46f7c0f..df6e8eb 100644
--- a/zuul/main.yaml
+++ b/zuul/main.yaml
@@ -34,5 +34,6 @@
           - plugins/code-owners
           - plugins/lfs
           - plugins/oauth
+          - plugins/project-group-structure
           - plugins/reviewers
           - plugins/saml