ops/monitoring: add implr to owners

This will fix future reviews from him having to require my +2.

Change-Id: Icde1f64fe4387e92d19943d7469ce0569eb45257
diff --git a/ops/monitoring/OWNERS b/ops/monitoring/OWNERS
new file mode 100644
index 0000000..318c819
--- /dev/null
+++ b/ops/monitoring/OWNERS
@@ -0,0 +1,3 @@
+owners:
+- q3k
+- implr