add source code and readme

manifests/infrastructure/openobserve-collector/kustomization.yaml

@@ -0,0 +1,10 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+ - namespace.yaml
+ - secret.yaml
+ - agent-collector.yaml
+ - collector-sa.yaml
+ - gateway-collector.yaml
+ - longhorn-servicemonitor.yaml
+ - collector-servicemonitors.yaml