wip:added impl for prometheuses, alertmanagers, prometheusrules, servicemonitors, and some default rules that are deployed for application monitor

working on implementing grafana crds via grafana operator
need to link prometheus rules and alert managers in prometheus, testing it shows that prometheus isnt detecting them automatically

examples/monitoring/src/main.rs

@@ -51,8 +51,8 @@ async fn main() {
 
     let service_monitor_endpoint = ServiceMonitorEndpoint {
         port: Some("80".to_string()),
-        path: "/metrics".to_string(),
-        scheme: HTTPScheme::HTTP,
+        path: Some("/metrics".to_string()),
+        scheme: Some(HTTPScheme::HTTP),
         ..Default::default()
     };