Setup lint for checking conventions and compile errors

[iamacoderguy]

• [x] Mobile project (EST: 8 hours)
• [x] Back-end project (EST: 4 hours)
• [ ] Test

EST: 12 + 6 = 18 hours - ACTL: 3 hours

[iamacoderguy]

• [x] https://www.typescriptlang.org/docs/handbook/compiler-options.html
• [ ] https://www.typescriptlang.org/docs/home.html
• [x] https://eslint.org/docs/user-guide/getting-started
• [ ] https://github.com/typescript-eslint/typescript-eslint#getting-started--installation
• [x] https://reactjs.org/docs/static-type-checking.html
• [x] https://www.npmjs.com/package/eslint-plugin-react-hooks