Add redux lib

Author: snamiki1212

package.json

@@ -8,7 +8,8 @@
     "react-color": "^2.17.3",
     "react-dom": "^16.8.6",
     "react-redux": "^7.0.3",
-    "react-scripts": "3.0.0"
+    "react-scripts": "3.0.0",
+    "redux": "^4.0.1"
   },
   "scripts": {
     "start": "react-scripts start",

yarn.lock

@@ -8052,6 +8052,14 @@ recursive-readdir@2.2.2:
   dependencies:
     minimatch "3.0.4"
 
+redux@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/redux/-/redux-4.0.1.tgz#436cae6cc40fbe4727689d7c8fae44808f1bfef5"
+  integrity sha512-R7bAtSkk7nY6O/OYMVR9RiBI+XghjF9rlbl5806HJbQph0LJVHZrU5oaO4q70eUKiqMRqm4y07KLTlMZ2BlVmg==
+  dependencies:
+    loose-envify "^1.4.0"
+    symbol-observable "^1.2.0"
+
 regenerate-unicode-properties@^8.0.2:
   version "8.0.2"
   resolved "https://registry.yarnpkg.com/regenerate-unicode-properties/-/regenerate-unicode-properties-8.0.2.tgz#7b38faa296252376d363558cfbda90c9ce709662"
@@ -9009,6 +9017,11 @@ svgo@^1.0.0, svgo@^1.2.1:
     unquote "~1.1.1"
     util.promisify "~1.0.0"
 
+symbol-observable@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
+  integrity sha512-e900nM8RRtGhlV36KGEU9k65K3mPb1WV70OdjfxlG2EAuM1noi/E/BaW/uMhL7bPEssK8QV57vN3esixjUvcXQ==
+
 symbol-tree@^3.2.2:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"