Toolbar: refactor from IconSearch and add 'size' and 'color' controls

src/components/index.ts

@@ -1,3 +1,3 @@
 export { default as App } from "./App/App";
 export { default as IconGrid } from "./IconGrid/IconGrid";
-export { default as IconSearch } from "./IconSearch/IconSearch";
+export { default as Toolbar } from "./Toolbar/Toolbar";