feat(docs): Initial commit for docs in nuxt 3

vite.config.ts

@@ -3,6 +3,9 @@ import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
 import svgLoader from 'vite-svg-loader'
 import AutoImport from 'unplugin-auto-import/vite'
+import commonjs from '@rollup/plugin-commonjs'
+import replace from '@rollup/plugin-replace'
+import pkg from './package.json'
 
 // https://vitejs.dev/config/
 export default defineConfig({
@@ -13,7 +16,31 @@ export default defineConfig({
     },
   },
   build: {
-    outDir: 'build',
+    minify: 'terser',
+    lib: {
+      entry: resolve(__dirname, 'src/index.ts'),
+      name: 'vue-flow',
+    },
+    rollupOptions: {
+      // make sure to externalize deps that shouldn't be bundled
+      // into your library
+      external: ['vue'],
+      plugins: [
+        commonjs({ include: 'node_modules/**/*' }),
+        replace({
+          __VUE_FLOW_VERSION__: JSON.stringify(pkg.version),
+          preventAssignment: true,
+        }),
+      ],
+      output: {
+        dir: './dist',
+        // Provide global variables to use in the UMD build
+        // for externalized deps
+        globals: {
+          vue: 'Vue',
+        },
+      },
+    },
   },
   plugins: [
     vue(),