fix repo name in package.json

Author: koddsson

package.json

@@ -5,7 +5,7 @@
   "main": "dist/index.umd.js",
   "module": "dist/index.esm.js",
   "license": "MIT",
-  "repository": "github/tab-container-boilerplate",
+  "repository": "github/tab-container-element",
   "files": [
     "dist"
   ],