Add ghost deployment

apps/prod/ghost/values.yaml

@@ -0,0 +1,24 @@
+mysql:
+  enabled: false
+postgresql:
+  enabled: false
+
+persistence:
+  enabled: true
+  storageClass: "retain-local-path"
+  size: 8Gi
+
+ghostHost: "${GHOST_URL}"
+ghostUsername: admin
+existingSecret: "ghost-admin-secret"
+ghostEmail: "${GHOST_ADMIN_EMAIL}"
+ghostBlogTitle: ""
+
+service:
+  type: ClusterIP
+
+extraEnvVars:
+  - name: database__client
+    value: sqlite3
+  - name: NODE_ENV
+    value: production