feat: add button

components/button/button.tsx

@@ -0,0 +1,9 @@
+import { defineComponent } from 'vue'
+export default defineComponent({
+  name: 'AButton',
+  setup(props, { slots }) {
+    return () => {
+      return <button>{slots.default?.()}</button>
+    }
+  }
+})

components/button/index.ts

@@ -0,0 +1,8 @@
+import type { App } from 'vue'
+import Button from './button'
+
+Button.install = function (app: App) {
+  app.component(Button.name, Button)
+}
+
+export default Button

components/components.ts

@@ -0,0 +1 @@
+export { default as Button } from './button'

components/index.ts

@@ -1,7 +1,15 @@
-export {}
+import type { App, Plugin } from 'vue'
+import * as components from './components'
+import version from './version'
+export * from './components'
 
-const aaa = () => {
-  // TODO
-}
-
-export default aaa
+export default {
+  install(app: App) {
+    Object.values(components).forEach(component => {
+      if (component.install) {
+        app.use(component as any)
+      }
+    })
+  },
+  version
+} as Plugin