Add dev/prod environments with TrueNAS Docker production deploy.

Split PostgreSQL into gallery_dev and gallery_prod, add Docker/Gitea deploy tooling,
SMB image sync, pgAdmin split script, dev:web on Keenetic :5173, and operator docs.

Co-authored-by: Cursor <cursoragent@cursor.com>

client/vite.config.ts

@@ -11,7 +11,7 @@ export default defineConfig(({ mode }) => {
     plugins: [react()],
     server: {
       host: true,
-      allowedHosts: ['gallery.mysuperlab.netcraze.pro', 'localhost'],
+      allowedHosts: ['devgallery.mysuperlab.netcraze.pro', 'gallery.mysuperlab.netcraze.pro', 'localhost'],
       proxy: {
         '/api': apiTarget,
         '/images': apiTarget,