feat: add harmonic-wordpress dev environment on Legion

- Add harmonic-wordpress namespace
- WordPress + MySQL deployment with PVCs and ExternalSecrets
- Ingress for dev.harmonic-framework.com via Traefik + cert-manager
- Argo CD Application watching k8s/harmonic-wordpress/
- Add public Gitea repo credential for git.neuralplatform.ai

servers/legion/k8s/harmonic-wordpress/ingress.yaml

@@ -0,0 +1,25 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: wordpress
+  namespace: harmonic-wordpress
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: websecure
+    cert-manager.io/cluster-issuer: letsencrypt-prod
+spec:
+  ingressClassName: traefik
+  tls:
+    - hosts:
+        - dev.harmonic-framework.com
+      secretName: wordpress-tls
+  rules:
+    - host: dev.harmonic-framework.com
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: wordpress
+                port:
+                  number: 80