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-runner.yaml

@@ -0,0 +1,82 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: gitea-runner-data
+  namespace: gitea
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: longhorn
+  resources:
+    requests:
+      storage: 5Gi
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: gitea-runner
+  namespace: gitea
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: gitea-runner
+  template:
+    metadata:
+      labels:
+        app: gitea-runner
+    spec:
+      containers:
+        - name: runner
+          image: gitea/act_runner:latest
+          imagePullPolicy: IfNotPresent
+          env:
+            - name: GITEA_INSTANCE_URL
+              value: "http://gitea.gitea.svc.cluster.local"
+            - name: GITEA_RUNNER_NAME
+              value: "k3s-runner-1"
+            - name: GITEA_RUNNER_LABELS
+              value: "linux-x64:host,ubuntu-latest:docker://node:20-bookworm,alpine:docker://alpine:3.20"
+            - name: GITEA_RUNNER_REGISTRATION_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: gitea-runner-secret
+                  key: GITEA_RUNNER_REGISTRATION_TOKEN
+            - name: DOCKER_HOST
+              value: "tcp://localhost:2375"
+          command:
+            - /bin/sh
+            - -c
+          args:
+            - |
+              set -e
+              if [ ! -f /data/.runner ]; then
+                act_runner register \
+                  --no-interactive \
+                  --instance "${GITEA_INSTANCE_URL}" \
+                  --token "${GITEA_RUNNER_REGISTRATION_TOKEN}" \
+                  --name "${GITEA_RUNNER_NAME}" \
+                  --labels "${GITEA_RUNNER_LABELS}"
+              fi
+              exec act_runner daemon
+          volumeMounts:
+            - name: runner-data
+              mountPath: /data
+        - name: dind
+          image: docker:27-dind
+          imagePullPolicy: IfNotPresent
+          securityContext:
+            privileged: true
+          env:
+            - name: DOCKER_TLS_CERTDIR
+              value: ""
+          volumeMounts:
+            - name: docker-lib
+              mountPath: /var/lib/docker
+      volumes:
+        - name: runner-data
+          persistentVolumeClaim:
+            claimName: gitea-runner-data
+        - name: docker-lib
+          emptyDir: {}