AG-2653 Put React Hook example together, update docs

src-examples/simpleReduxHooksExample/SimpleReduxHookExample.jsx

@@ -0,0 +1,18 @@
+import React, {useReducer} from "react";
+import GridComponent from "./GridComponent";
+
+import {Context, initialState, reducer} from "./store";
+
+export default function SimpleReduxHookExample() {
+    const [store, dispatch] = useReducer(reducer, initialState);
+
+    return (
+        <Context.Provider value={{store, dispatch}}>
+            <div>
+                <h1>Simple Example using Hooks (with useContext and useReducer)</h1>
+                <button onClick={() => dispatch({type: "SET_ROW_DATA"})}>Populate Row Data</button>
+                <GridComponent/>
+            </div>
+        </Context.Provider>
+    )
+}