Merge branch 'master' into develop

* master:
  docs: Fix missing comma in props (#448)
  docs: Update README.md (#447)
  docs: Fix typo (#440)
  Create CNAME
  chore(docs): Add missing commas in example snippet (#423)
  chore(documentation): Fix docute version requested from unpkg (Last compatible v3.4.12) (#418)
  chore(docs): Change CNAME to trigger https
  chore(docs): Change CNAME to trigger https
  Update and refine Indonesian translation
  Revert "wip: Refactor mixin in seperate functions"
  wip: Refactor mixin in seperate functions
  fix(reactive-mixins): Add prop type and default value

Author: apertureless

docs/CNAME

@@ -0,0 +1 @@
+vue-chartjs.org

docs/guide/README.md

@@ -89,7 +89,7 @@ export default {
 ```
 
 ::: danger Template Tag can not be merged
-Do not include the `<template>` tag to your `.vue` files. Vue can **not** merge templates. If you add an empty `<template>` tag, Vue will took the template from your component and not from the extended one, which will result in an empty template and errors.
+Do not include the `<template>` tag to your `.vue` files. Vue can **not** merge templates. If you add an empty `<template>` tag, Vue will take the template from your component and not from the extended one, which will result in an empty template and errors.
 :::
 
 ## Updating Charts
@@ -273,7 +273,7 @@ export default {
     chartdata: {
       type: Object,
       default: null
-    }
+    },
     options: {
       type: Object,
       default: null

src/mixins/index.js

@@ -87,7 +87,9 @@ export const reactiveData = {
 export const reactiveProp = {
   props: {
     chartData: {
-      required: true
+      type: Object,
+      required: true,
+      default: () => {}
     }
   },
   watch: {