Replace UI module with Next.js

.devcontainer/devcontainer.json

@@ -9,7 +9,13 @@
 	],
 	"customizations": {
 		"vscode": {
-			"extensions": []
+			"extensions": [
+				"Fooxly.themeswitch",
+				"EditorConfig.EditorConfig",
+				"rvest.vs-code-prettier-eslint",
+				"wix.vscode-import-cost",
+				"mia-hall.vscode-git-branch-sidebar"
+			]
 		}
 	}
 }