How can I deploy my React app on gh-pages (github pages)? - reactjs

Question

I am trying to deploy my react app using gh-pages, and after upload it I found white page. I tried many solutions but nothing work.
this is the url :
https://mosherad.github.io/spreago-react/
and here is the json file
{
"name": "spreago",
"version": "0.1.0",
"private": true,
"dependencies": {
"#apollo/react-hooks": "^3.1.3",
"#hapi/hawk": "^7.1.2",
"#material-ui/core": "^4.8.0",
"#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",
"apollo-boost": "^0.4.7",
"bootstrap": "^4.4.1",
"gh-pages": "^2.2.0",
"graphql": "^14.5.8",
"history": "^4.10.1",
"lodash.flowright": "^3.5.0",
"react": "^16.12.0",
"react-apollo": "^3.1.3",
"react-bootstrap": "^1.0.0-beta.16",
"react-dom": "^16.12.0",
"react-icons": "^3.8.0",
"react-material-ui-form-validator": "^2.0.9",
"react-router-dom": "^5.1.2",
"react-scripts": "3.3.0",
"serve": "^11.3.0",
"yarn": "^1.21.1",
"yarn-install": "^1.0.0"
},
"homepage": "https://mosherad.github.io/spreago-react/",
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"predeploy": "npm run build",
"deploy": "gh-pages -d build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
},
"devDependencies": {
"eslint": "^6.7.2"
}
}