chore: update packages

Also:

- Remove Discord link and replace with email contact
- Fix none face paint type in submit form being transparent
- Update dockerfile

backend/next.config.ts

@@ -2,6 +2,9 @@ import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
 	output: "standalone",
+	experimental: {
+		useTypeScriptCli: true,
+	},
 	async headers() {
 		return [
 			{