add source code and readme

manifests/applications/mastodon/kustomization.yaml

@@ -0,0 +1,14 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+- namespace.yaml
+- repository.yaml
+- secret.yaml
+- smtp-secret.yaml
+- postgresql-secret.yaml
+- elasticsearch-secret.yaml
+- helm-release.yaml
+- ingress.yaml
+- monitoring.yaml