[Feat] : Added Linting commands for the app

[Sumitwarrior7]

Now you can lint the app with linting commands :-

For check linting issues, you can use below command:
npm run lint

For autofix suggested linting issues, you can use below command:
npm run lint:fix

[Sumitwarrior7]

Need Suggestions for this feature from @CulturalProfessor
please tell if anything which needs to be addressed like package-lock.json or adding some specific linting rules

[CulturalProfessor]

Hey @Sumitwarrior7 remove package-lock.json

[Sumitwarrior7]

Done @CulturalProfessor