chore: add docs dependencies to pkg json

package.json

@@ -26,9 +26,11 @@
   "devDependencies": {
     "@babel/core": "^7.4.5",
     "@babel/preset-env": "^7.4.5",
+    "@ungap/url-search-params": "^0.1.2",
     "autoprefixer": "^9.5.1",
     "browser-sync": "^2.26.3",
     "chalk": "^2.4.2",
+    "clipboard-polyfill": "^2.8.1",
     "cssnano": "^4.1.10",
     "gulp": "^4.0.0",
     "gulp-babel": "^8.0.0",

yarn.lock

@@ -647,6 +647,11 @@
   resolved "https://registry.yarnpkg.com/@types/q/-/q-1.5.2.tgz#690a1475b84f2a884fd07cd797c00f5f31356ea8"
   integrity sha512-ce5d3q03Ex0sy4R14722Rmt6MT07Ua+k4FwDfdcToYJcMKNtRVQvJ6JCAPdAmAnbRb6CsX6aYb9m96NGod9uTw==
 
+"@ungap/url-search-params@^0.1.2":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@ungap/url-search-params/-/url-search-params-0.1.2.tgz#8ba8c0527543fe675d1c29ae0a2daca842e8ee4f"
+  integrity sha512-WVk5+lJ+AoNLh2sIDMhnEAgLsVQuI067hWLJCzirErH1GYiy1gs09q4+XZxYWSvdAsslKsaO4q1iXXMx2c72dA==
+
 abab@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.0.tgz#aba0ab4c5eee2d4c79d3487d85450fb2376ebb0f"
@@ -1383,6 +1388,11 @@ cli-table@^0.3.1:
   dependencies:
     colors "1.0.3"
 
+clipboard-polyfill@^2.8.1:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/clipboard-polyfill/-/clipboard-polyfill-2.8.1.tgz#a53fb77e9d8bac0a3db6792f5815a8979e585f61"
+  integrity sha512-2qclMYSM/L5Wv8mNeF2rvvtaKFJiG3y5mI2wwsFIUt0yE2hWjNg6qvsRo6D8TTaLTNXDfEI47TyaxSxjwD8ADQ==
+
 cliui@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"