Update dependencies

Author: rokoroku

.prettierrc

@@ -0,0 +1,10 @@
+{
+  "arrowParens": "always",
+  "semi": true,
+  "useTabs": false,
+  "tabWidth": 2,
+  "bracketSpacing": true,
+  "singleQuote": true,
+  "trailingComma": "none",
+  "printWidth": 120
+}

README.md

@@ -9,7 +9,7 @@ Ideal for creating React apps from the scratch.
 
 ## Contains
 
-- [x] [Typescript](https://www.typescriptlang.org/) 3
+- [x] [Typescript](https://www.typescriptlang.org/) 3.8
 - [x] [React](https://facebook.github.io/react/) 16.12
 - [x] [Redux](https://github.com/reactjs/redux) 4
 - [x] [Redux Thunk](https://github.com/reduxjs/redux-thunk) 2.3