feat: extract groombook/web from monorepo

- Copy apps/web/ with all src, components, pages, portal
- Inline packages/types/ as local packages/types module
- Add tsconfig path aliases for @groombook/types
- Port Dockerfile and CI workflow
- Image name: ghcr.io/groombook/web

Co-Authored-By: Paperclip <noreply@paperclip.ing>

src/main.tsx

@@ -0,0 +1,19 @@
+import { StrictMode } from "react";
+import { createRoot } from "react-dom/client";
+import { BrowserRouter } from "react-router-dom";
+import { App } from "./App.js";
+import { installDevFetchInterceptor } from "./lib/devFetch.js";
+import "./index.css";
+
+installDevFetchInterceptor();
+
+const root = document.getElementById("root");
+if (!root) throw new Error("Root element not found");
+
+createRoot(root).render(
+  <StrictMode>
+    <BrowserRouter>
+      <App />
+    </BrowserRouter>
+  </StrictMode>
+);