Import rpm.lair.cafe SPA from lair/mistralrs-package/ui @34a28b5

Dedicated repo for the RPM repository web UI, moved out of the
mistralrs-package repo now that multiple package repos publish to
rpm.lair.cafe. Includes an adapted deploy workflow (SPA at repo root).

package.json

@@ -0,0 +1,25 @@
+{
+  "name": "ui",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc && vite build",
+    "preview": "vite preview"
+  },
+  "devDependencies": {
+    "@types/react": "^19.2.14",
+    "@types/react-dom": "^19.2.3",
+    "@vitejs/plugin-react-swc": "^4.3.0",
+    "typescript": "~6.0.2",
+    "vite": "^8.0.10"
+  },
+  "dependencies": {
+    "bootstrap": "^5.3.8",
+    "react": "^19.2.5",
+    "react-bootstrap": "^2.10.10",
+    "react-dom": "^19.2.5",
+    "react-router": "^7.14.2"
+  }
+}