config: add dockerfile (#214)

* config: add dockerfile

* feat: add working dockerfile for nest and next app with sqlite migration

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Co-authored-by: Meier Lukas <meierschlumpf@gmail.com>

apps/nextjs/next.config.mjs

@@ -4,6 +4,7 @@ import "@homarr/auth/env.mjs";
 
 /** @type {import("next").NextConfig} */
 const config = {
+  output: "standalone",
   reactStrictMode: true,
   /** Enables hot reloading for local packages without a build step */
   transpilePackages: [