Implement sign up with email and password feature

.DS_Store

.gitignore

README.md

app.js

package-lock.json

package.json

public/favicon.ico

public/index.html

public/index2.html

public/manifest.json

src/components/Account.js

src/components/App.css

src/components/App.js

src/components/App.test.js

src/components/AuthUserContext.js

src/components/Home.js

src/components/Landing.js

src/components/Navigation.js

src/components/PasswordChange.js

src/components/PasswordForget.js