Add quota plugin checker

Change-Id: Ifaec1461031c5ade6977be9d26f1f7ad4ef15fd1

checkers.yaml

diff --git a/checkers.yaml b/checkers.yaml
index c06ace1..133dc02 100644
--- a/checkers.yaml
+++ b/checkers.yaml
@@ -166,6 +166,11 @@
     name: "Zuul Check Pipeline"
     description: "Run Zuul jobs on new patchsets"
 
+  - uuid: "zuul-check:plugins_quota"
+    repository: "plugins/quota"
+    name: "Zuul Check Pipeline"
+    description: "Run Zuul jobs on new patchsets"
+
   - uuid: "zuul-check:plugins_reviewers"
     repository: "plugins/reviewers"
     name: "Zuul Check Pipeline"

zuul/main.yaml

diff --git a/zuul/main.yaml b/zuul/main.yaml
index 07ac9ff..9d9a3bc 100644
--- a/zuul/main.yaml
+++ b/zuul/main.yaml
@@ -46,5 +46,6 @@
           - plugins/messageoftheday
           - plugins/oauth
           - plugins/project-group-structure
+          - plugins/quota
           - plugins/reviewers
           - plugins/saml