thumbnail tool init

docs/uncompiled/artplayer-tool-thumbnail.css

@@ -0,0 +1 @@
+.artplayer-tool-thumbnail{display:flex}

docs/uncompiled/artplayer-tool-thumbnail.js

@@ -0,0 +1,26 @@
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+  typeof define === 'function' && define.amd ? define(['exports'], factory) :
+  (factory((global['artplayer-tool-thumbnail'] = {})));
+}(this, (function (exports) { 'use strict';
+
+  function _classCallCheck(instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  }
+
+  var classCallCheck = _classCallCheck;
+
+  var ArtplayerToolThumbnail = function ArtplayerToolThumbnail(el) {
+    classCallCheck(this, ArtplayerToolThumbnail);
+
+    this.el = el;
+    console.log(this);
+  };
+
+  exports.default = ArtplayerToolThumbnail;
+
+  Object.defineProperty(exports, '__esModule', { value: true });
+
+})));