Add migration scripts and manifests for GitLab and Gitea to Longhorn

- Create .vscode/settings.json for YAML schema validation.
- Add WISSENSBASIS.md for documentation on HomeLabScripts.
- Implement migration job for GitLab from NFS to Longhorn with migrate-to-longhorn.yaml and migrate-to-longhorn.sh.
- Add Gitea migration scripts and manifests for PostgreSQL to Longhorn.
- Create persistent volume claims and deployments for Gitea and Homarr.
- Set up namespaces and services for Homarr and Speedtest Tracker.
- Add secrets for Homarr and Speedtest Tracker with sensitive data.
- Configure Ingress for Speedtest Tracker with Traefik annotations.

Co-authored-by: Copilot <copilot@github.com>

k3s/apps/gitea/gitea.yaml

@@ -65,6 +65,21 @@ spec:
     requests:
       storage: 10Gi
 
+# PVC: PostgreSQL (Longhorn target)
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: postgres-longhorn-pvc
+  namespace: gitea
+spec:
+  storageClassName: longhorn
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 10Gi
+
 # Deployment: PostgreSQL
 ---
 apiVersion: apps/v1
@@ -74,6 +89,8 @@ metadata:
   namespace: gitea
 spec:
   replicas: 1
+  strategy:
+    type: Recreate
   selector:
     matchLabels:
       app: postgres
@@ -97,14 +114,12 @@ spec:
           volumeMounts:
             - name: postgres-storage
               mountPath: /var/lib/postgresql/data
-          securityContext:
-            runAsUser: 1001
-            runAsGroup: 1000
-#            fsGroup: 1000
+      securityContext:
+        fsGroup: 999
       volumes:
         - name: postgres-storage
           persistentVolumeClaim:
-            claimName: postgres-pvc
+            claimName: postgres-longhorn-pvc
 
 # Service: PostgreSQL
 ---
@@ -172,10 +187,8 @@ spec:
           volumeMounts:
             - name: gitea-storage
               mountPath: /data
-          securityContext:
-#             runAsUser: 1001
-#            runAsGroup: 1000
-#            fsGroup: 1000
+      securityContext:
+        fsGroup: 1000
       volumes:
         - name: gitea-storage
           persistentVolumeClaim: