Add Proxy settings proxyLogin and ProxyPass #5037

[hardworm]

Title

Pull Request Type

• [ ] Bugfix
• [x] Feature Implementation
• [ ] Documentation
• [ ] Other

Related issue

closes #5037

Description

Proxy configuration with username and password

Screenshots

Testing

• Test work proxy with login and password
• Test work proxy without login and password

Desktop

• OS:
• OS Version:
• FreeTube version: