Add the Lit card toolchain and auto-register the Lovelace bundle

frontend/vite.config.ts

@@ -0,0 +1,19 @@
+import { defineConfig } from "vite";
+
+export default defineConfig({
+  build: {
+    outDir: "../custom_components/nestquest/www",
+    emptyOutDir: false,
+    sourcemap: false,
+    lib: {
+      entry: "src/nestquest-cards.ts",
+      formats: ["es"],
+      fileName: () => "nestquest-cards.js",
+    },
+    rollupOptions: {
+      output: {
+        inlineDynamicImports: true,
+      },
+    },
+  },
+});