extract auth to lib

vite.config.ts

@@ -0,0 +1,18 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+import { resolve } from 'node:path';
+
+export default defineConfig({
+  plugins: [react()],
+  build: {
+    lib: {
+      entry: resolve(__dirname, 'src/index.ts'),
+      name: 'PanicCore',
+      formats: ['es'],
+      fileName: () => 'index.js'
+    },
+    rollupOptions: {
+      external: ['react']
+    }
+  }
+});