feat: initial Honcho UI scaffold

React 19 + Vite 8 + TanStack Router SPA for browsing and chatting with
a self-hosted Honcho instance. Configurable base URL stored in localStorage
only. Dark/light theme, framer-motion animations, lucide-react icons.

.pnpmfile.cjs

@@ -0,0 +1,8 @@
+function readPackage(pkg, context) {
+  return pkg;
+}
+module.exports = {
+  hooks: {
+    readPackage,
+  }
+};