added dependenciex

package.json

@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
+    "@material-ui/icons": "^4.5.1",
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.4.0",
     "@testing-library/user-event": "^7.2.1",
@@ -13,7 +14,9 @@
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
     "react-scripts": "3.3.1",
-    "typescript": "^3.7.5"
+    "recharts": "^2.0.0-beta.1",
+    "typescript": "^3.7.5",
+    "xlsx": "^0.15.5"
   },
   "scripts": {
     "start": "react-scripts start",

public/index.html

@@ -9,6 +9,7 @@
       name="description"
       content="Web site created using create-react-app"
     />
+    <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap" />    
     <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
     <!--
       manifest.json provides metadata used when your web app is installed on a