refactor storybook and added first keyboard test

.gitignore

@@ -28,3 +28,4 @@ yarn-error.log*
 /packages/*/*/node_modules/
 /packages/*/*/dist/
 /packages/grid/x-grid/dist/
+/packages/storybook/integration/__image_snapshots__/__diff_output__/

package.json

@@ -6,7 +6,6 @@
 	"license": "MIT",
 	"private": true,
 	"devDependencies": {
-		"@material-ui/icons": "^4.9.1",
 		"@testing-library/jest-dom": "^4.2.4",
 		"@testing-library/react": "^9.3.2",
 		"@testing-library/user-event": "^7.1.2",
@@ -19,6 +18,10 @@
 		"@types/styled-components": "^5.0.1",
 		"@typescript-eslint/eslint-plugin": "^2.19.0",
 		"@typescript-eslint/parser": "^2.19.0",
+		"@material-ui/core": "^4.9.12",
+		"@material-ui/icons": "^4.9.1",
+		"@material-ui/lab": "^4.0.0-alpha.54",
+		"styled-components": "^5.1.0",
 		"enzyme": "^3.11.0",
 		"enzyme-adapter-react-16": "^1.15.2",
 		"eslint": "^6.8.0",

packages/grid/data-grid/README.md

@@ -21,7 +21,7 @@ This component has 2 peer dependencies that you will need to install as well.
 ```
 "peerDependencies": {
     "react": "^16.13.1",
-    "styled-components": "^5.0.1"
+    "styled-components": "^5.1.0"
 },
 ```