Add healthcheck checker and zuul project

Change-Id: I360f9b5daff5aae2af9b5a6c6fb33f812dd956cf

checkers.yaml

diff --git a/checkers.yaml b/checkers.yaml
index f424911..7bfee62 100644
--- a/checkers.yaml
+++ b/checkers.yaml
@@ -141,6 +141,11 @@
     name: "Zuul Check Pipeline"
     description: "Run Zuul jobs on new patchsets"
 
+  - uuid: "zuul-check:plugins_healthcheck"
+    repository: "plugins/healthcheck"
+    name: "Zuul Check Pipeline"
+    description: "Run Zuul jobs on new patchsets"
+
   - uuid: "zuul-check:plugins_heartbeat"
     repository: "plugins/heartbeat"
     name: "Zuul Check Pipeline"

zuul/main.yaml

diff --git a/zuul/main.yaml b/zuul/main.yaml
index df80497..ff4c651 100644
--- a/zuul/main.yaml
+++ b/zuul/main.yaml
@@ -41,6 +41,7 @@
           - plugins/events-log
           - plugins/gc-conductor
           - plugins/go-import
+          - plugins/healthcheck
           - plugins/heartbeat
           - plugins/high-availability
           - plugins/imagare