Added webpack build config

src/index.js

@@ -1,39 +1,3 @@
-import Vue from 'vue';
-import Modal from './Modal';
-
-const VueModal = {
-  event: new Vue(),
-  install(self, options = {}) {
-    if (this.installed) {
-      return console.log('Modal component is already installed.');
-    }
-
-    this.installed = true;
-
-    const modal = {
-      toggle(name, state, params) {
-        const opts = typeof state === 'object' && typeof params === 'undefined'
-          ? state
-          : params;
-        VueModal.event.$emit('toggle', name, state);
-      },
-      show(name, params = {}) {
-        VueModal.event.$emit('toggle', name, true);
-      },
-      hide(name, params = {}) {
-        VueModal.event.$emit('toggle', name, false);
-      },
-    };
-
-    Object.defineProperty(Vue.prototype, '$modal', {
-      get() {
-        return modal;
-      },
-    });
-
-    Vue.component('modal', Modal);
-    return null;
-  },
-};
+import VueModal from './modal';
 
 export default VueModal;