Add react-color

Author: cxspxr

package-lock.json

@@ -58,6 +58,7 @@
     "identity-obj-proxy": "3.0.0",
     "jest": "26.2.2",
     "prettier": "2.0.5",
+    "react-color": "^2.18.1",
     "remark-cli": "8.0.1",
     "remark-lint": "7.0.1",
     "remark-preset-lint-recommended": "4.0.1",