add link to read me

Author: viankakrisna

packages/react-scripts/template/src/Toast.css

@@ -22,6 +22,7 @@
 	transform: translateY(100%);
 }
 
+.Toast a,
 .Toast-button {
 	padding: 0;
 	background: transparent;
@@ -31,6 +32,7 @@
 	font-size: inherit;
 	line-height: inherit;
 	text-transform: uppercase;
+	text-decoration: none;
 	flex: 0 0 0;
 }
 

packages/react-scripts/template/src/registerServiceWorker.js

@@ -69,7 +69,16 @@ export default function register() {
   }
 
   if (process.env.NODE_ENV !== 'production') {
-    showMessage('Development mode started.');
+    showMessage(
+      <span>
+        Development mode started.{' '}
+        <a
+          href="https://github.com/facebookincubator/create-react-app/blob/master/packages/react-scripts/template/README.md"
+        >
+          Read Me
+        </a>
+      </span>
+    );
   }
 }