Can listen to contextmenu bar events using

@contextmenu-bar on g-ganttc-chart
Bumped npm package version

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-ganttastic",
-  "version": "0.9.3",
+  "version": "0.9.4",
   "description": "A simple and customizable Gantt chart component for Vue.js",
   "main": "./dist/index.js",
   "scripts": {

src/GGanttBar.vue

@@ -151,6 +151,10 @@ export default {
       this.onBarEvent(e, this)
     },
 
+    onContextmenu(e){
+      this.onBarEvent(e, this)
+    },
+
     onMousedown(e){
       e.preventDefault()
       if(e.button === 2 || this.barConfig.immobile){