Redux resources (#956)

* add react.js resources

* add css resources

* add graphql resources

* add redux resources

content/roadmaps/100-frontend/content/111-pick-a-framework/100-react-js/100-redux.md

@@ -1 +1,9 @@
-# Redux
+# Redux
+
+Redux is a predictable state container for JavaScript apps. It helps you write applications that behave consistently, run in different environments (client, server, and native), and are easy to test. On top of that, it provides a great developer experience, such as [live code editing combined with a time traveling debugger](https://github.com/reduxjs/redux-devtools).
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://redux.js.org/'>Official Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://redux.js.org/introduction/getting-started'>Official Getting Started to Redux</BadgeLink>
+<BadgeLink colorScheme='green' badgeText='Course' href='https://redux.js.org/tutorials/essentials/part-1-overview-concepts'>Official Tutorial to Learn Redux</BadgeLink>
+<BadgeLink colorScheme='green' badgeText='Course' href='https://egghead.io/courses/fundamentals-of-redux-course-from-dan-abramov-bd5cc867'>Fundamentals of Redux Course from Dan Abramov</BadgeLink>