feat: add <Pluggable>

src/Pluggable/index.js

@@ -0,0 +1,38 @@
+import {Component} from 'react';
+import {h} from '../util';
+
+export class Pluggable extends Component {
+  plugins = [];
+
+  constructor (props, context) {
+    super(props, context);
+  }
+
+  exec = (name) => {
+    const {plugins} = this.props;
+    let result;
+    let method = this.props[name];
+
+    if (method) {
+
+    }
+
+    for (let i = 0; i < plugins.length; i++) {
+      method = plugins[i][name];
+
+      if (!method) {
+        continue;
+      }
+
+      result = method(this);
+
+      if (result !== undefined) {
+        return result;
+      }
+    }
+  };
+
+  render () {
+
+  }
+}