Move all code to old/ to prepare for Nuxt rewrite

tsconfig.json

@@ -1,27 +0,0 @@
-{
-	"compilerOptions": {
-		"target": "ES2017",
-		"lib": ["dom", "dom.iterable", "esnext"],
-		"allowJs": true,
-		"skipLibCheck": true,
-		"strict": true,
-		"noEmit": true,
-		"esModuleInterop": true,
-		"module": "esnext",
-		"moduleResolution": "bundler",
-		"resolveJsonModule": true,
-		"isolatedModules": true,
-		"jsx": "preserve",
-		"incremental": true,
-		"plugins": [
-			{
-				"name": "next"
-			}
-		],
-		"paths": {
-			"@/*": ["./*"]
-		}
-	},
-	"include": ["next-env.d.ts", "css.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
-	"exclude": ["node_modules"]
-}