Added ability to attach events using registerEvent method

README.md

@@ -73,6 +73,10 @@ import { VueTuicalendar } from '@lkmadushan/vue-tuicalendar'
       this.$refs.calendar.fireMethod('clear');
       this.$refs.calendar.fireMethod('getElement');
       this.$refs.calendar.fireMethod('changeView', 'month', true);
+      
+      this.$refs.calendar.registerEvent('beforeDeleteSchedule', (event) {
+        // do stuff here
+      })
     }
   }
 ...

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@lkmadushan/vue-tuicalendar",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "A Vue.js wrapper for TOAST UI Calendar",
   "author": "Kalpa Perera <kalpa.lkm@gmail.com>",
   "main": "dist/@lkmadushan/vue-tuicalendar.common.js",

src/TuiCalendar.vue

@@ -53,13 +53,15 @@ export default {
     },
 
     registerEvents () {
-      events.forEach(event => this.registerEvent(event))
+      events.forEach(event => {
+        this.registerEvent(event, (...args) => {
+          this.$emit(kebabCase(event), ...args)
+        })
+      })
     },
 
-    registerEvent (event) {
-      this.calendar.on(event, (...args) =>
-        this.$emit(kebabCase(event), ...args)
-      )
+    registerEvent (event, callback) {
+      this.calendar.on(event, callback)
     },
 
     fireMethod (method, ...args) {