Move ItemTableAppBar to react-styleguidist folder structure w/ docs

src/App.js

@@ -2,7 +2,7 @@ import React, { useState } from "react";
 import { ThemeProvider } from "@material-ui/core/styles";
 import webqueueTheme from "./theme";
 import { Box, makeStyles } from "@material-ui/core";
-import ItemTableAppBar from "./ItemTableAppBar";
+import ItemTableAppBar from "./components/ItemTableAppBar/";
 import ItemTable from "./components/ItemTable/";
 import ItemViewAppBar from "./ItemViewAppBar";
 import ItemView from "./ItemView";

src/components/ItemTableAppBar/ItemTableAppBar.md

@@ -0,0 +1,16 @@
+The ItemTableAppBar is the primary toolbar for the [ItemTable](/#/Components/ItemTable). It displays the application title and application wide actions.
+
+```jsx
+import React, { useState } from "react";
+import webqueue2Theme from "../../theme.js";
+
+const [darkMode, setDarkMode] = useState(false);
+
+const theme = webqueue2Theme(darkMode);
+
+<ItemTableAppBar title="webqueue2" darkMode={darkMode} setDarkMode={setDarkMode} theme={theme} />
+```
+
+```jsx static
+<ItemTableAppBar title="webqueue2" darkMode={darkMode} setDarkMode={setDarkMode} theme={theme} />
+```

src/components/ItemTableAppBar/index.js

@@ -0,0 +1,3 @@
+import ItemTableAppBar from "./ItemTableAppBar";
+
+export default ItemTableAppBar;