Add imagare plugin to the checks pipeline

Change-Id: I2eae29d772c0184172de216038fae7d32a865273
diff --git a/zuul.d/projects.yaml b/zuul.d/projects.yaml
index bf96e39..a6f5da6 100644
--- a/zuul.d/projects.yaml
+++ b/zuul.d/projects.yaml
@@ -141,6 +141,12 @@
         - gerrit-plugin-build
 
 - project:
+    name: plugins/imagare
+    check:
+      jobs:
+        - gerrit-plugin-build
+
+- project:
     name: plugins/javamelody
     check:
       jobs: