Added Russian language support in application

[jaivsh]

Description

I've added the russian language and it's translations through app localizations. This would add the russian language in the application to be used as and when.

Fixes #379

Have you read the Contributing Guidelines on Pull Requests?

• [x] Yes
• [ ] No

Type of change

• [x] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] My code follows the style guidelines(Clean Code) of this project
• [x] I have performed a self-review of my own code
• [x] My changes generate no new warnings
• [x] I have added tests/screenshots(if any) that prove my fix is effective or that my feature works.

[jaivsh]

@avinashkranjan please review the PR

[jaivsh]

@avinashkranjan I've resolved conflicts, plase review