add kv-login modules

packages/kv-login/vite-lib.config.ts

@@ -0,0 +1,12 @@
+import { defineConfig } from 'vite';
+
+const entry = './src/main.ts';
+export default defineConfig({
+  build: {
+    lib: {
+      entry,
+      name: 'KvLogin',
+      fileName: (format) => `kv-login.${format}.js`,
+    }
+  }
+});