Kubernetes: added multiple microservices

- added minio object storage
- added immich photo viewer
- added cloudnative-pg postgres operator for db management
- added cronjobs to run different maintenance tasks
- updated readme

kubernetes/traefik/traefik-middleware/ip-whitelist.yaml

@@ -0,0 +1,10 @@
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: ip-whitelist
+  namespace: minio
+spec:
+  ipWhiteList:
+    sourceRange:
+      - 192.168.1.0/24
+      - 87.92.7.212/32