docs: add link to source in getting-started.md (#1713)

Co-authored-by: Tim Dorr <timdorr@users.noreply.github.com>

Author: Nasicus

docs/introduction/getting-started.md

@@ -41,6 +41,8 @@ If you are using TypeScript, the React Redux types are maintained separately in
 npm install @types/react-redux
 ```
 
+The code used for this example is based on the [official Redux template](https://github.com/reduxjs/cra-template-redux). Additionally, the same code template for TypeScript can be found [here](https://github.com/reduxjs/cra-template-redux-typescript).
+
 ## `Provider`
 
 React Redux includes a `<Provider />` component, which makes the Redux store available to the rest of your app: