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README.md

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+<p align="center">
+  <a href="https://github.com/mudin/vue-global-var/blob/master/LICENSE">
+    <img src="https://img.shields.io/github/license/mudin/vue-global-var.svg" alt="License">
+  </a>
+  <a href="https://badge.fury.io/js/vue-global-var">
+    <img src="https://badge.fury.io/js/vue-global-var.svg" alt="npm version">
+  </a>
+  <a href="http://hits.dwyl.io/mudin/vue-global-var">
+    <img src="http://hits.dwyl.io/mudin/vue-global-var.svg" alt="HitCount">
+  </a>
+  <a href="https://unpkg.com/vue-global-var@latest/dist/vue-global-var.cjs.js">
+    <img src="https://img.badgesize.io/mudin/vue-global-var/master/dist/vue-global-var.cjs.js?compression=gzip" alt="size">
+  </a>
+</p>
+
 # vue-global-var
 
 Reactive global variable can be sharable between components