chore: auto install plugin if global vue is available

Author: setaman

src/plugin.js

@@ -1,7 +1,17 @@
-import EllipseProgress from "./components/VueEllipseProgress.vue";
+import VueEllipseProgress from "./components/VueEllipseProgress.vue";
+
+const install = (Vue, name = "vue-ellipse-progress") => Vue.component(name, VueEllipseProgress);
+
+let globalVue = null;
+if (typeof window !== "undefined") {
+  globalVue = window.Vue;
+} else if (typeof global !== "undefined") {
+  globalVue = global.Vue;
+}
+if (globalVue) {
+  globalVue.use({ install });
+}
 
 export default {
-  install(Vue, name = "vue-ellipse-progress") {
-    Vue.component(name, EllipseProgress);
-  },
+  install,
 };