Add events plugin to Zuul

This creates a checker and adds the project to Zuul's configuration.

Change-Id: Ic19e1e64319dd7e2a855b0578438e9755959b5cb

checkers.yaml

diff --git a/checkers.yaml b/checkers.yaml
index aad5a75..d4e12e8 100644
--- a/checkers.yaml
+++ b/checkers.yaml
@@ -131,6 +131,11 @@
     name: "Zuul Check Pipeline"
     description: "Run Zuul jobs on new patchsets"
 
+  - uuid: "zuul-check:plugins_events"
+    repository: "plugins/events"
+    name: "Zuul Check Pipeline"
+    description: "Run Zuul jobs on new patchsets"
+
   - uuid: "zuul-check:plugins_events-log"
     repository: "plugins/events-log"
     name: "Zuul Check Pipeline"

zuul/main.yaml

diff --git a/zuul/main.yaml b/zuul/main.yaml
index 90b100b..09081e6 100644
--- a/zuul/main.yaml
+++ b/zuul/main.yaml
@@ -39,6 +39,7 @@
           - plugins/changemessage
           - plugins/checks
           - plugins/code-owners
+          - plugins/events
           - plugins/events-log
           - plugins/gc-conductor
           - plugins/go-import