Add babel/runtime to package

Author: risenW

package.json

@@ -26,7 +26,8 @@
     "mathjs": "7.5.1",
     "stream-to-array": "^2.3.0",
     "table": "^5.4.6",
-    "xlsx": "^0.16.7"
+    "xlsx": "^0.16.7",
+    "@babel/runtime": "^7.12.13"
   },
   "scripts": {
     "test": "nyc mocha --require @babel/register danfojs/tests/*",
@@ -67,7 +68,6 @@
     "@babel/plugin-transform-runtime": "^7.12.10",
     "@babel/preset-env": "^7.10.4",
     "@babel/register": "^7.10.1",
-    "@babel/runtime": "^7.12.13",
     "babel-loader": "^8.1.0",
     "chai": "^4.2.0",
     "coveralls": "^3.1.0",