fluxcd : adding repo example with some apps

fluxcd/repo/infrastructure/base/prometheus/alerts/alerts-flux.yaml

@@ -0,0 +1,18 @@
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  labels:
+    release: prometheus
+  name: alerts-flux.rules
+  namespace: monitoring
+spec:
+  groups:
+    - name: Flux
+      rules:
+        - alert: ReconciliationFailure
+          expr: max(gotk_reconcile_condition{status="False",type="Ready"}) by (exported_namespace, name, kind) + on(exported_namespace, name, kind) (max(gotk_reconcile_condition{status="Deleted"}) by (exported_namespace, name, kind)) * 2 == 1
+          for: 10m
+          labels:
+            severity: warning
+          annotations:
+            summary: '{{ $labels.kind }} {{ $labels.exported_namespace }}/{{ $labels.name }} reconciliation has been failing for more than ten minutes.'