containerize and add basic setup to backend

ui/package.json

@@ -21,6 +21,7 @@
 		"@eslint/js": "^9.18.0",
 		"@playwright/test": "^1.49.1",
 		"@sveltejs/adapter-auto": "^6.0.0",
+		"@sveltejs/adapter-node": "^5.2.13",
 		"@sveltejs/kit": "^2.22.0",
 		"@sveltejs/vite-plugin-svelte": "^6.0.0",
 		"@tailwindcss/vite": "^4.0.0",
@@ -44,6 +45,7 @@
 	},
 	"pnpm": {
 		"onlyBuiltDependencies": [
+			"@tailwindcss/oxide",
 			"esbuild"
 		]
 	}