#ieeesoc feat: add WebRTC support for real-time communication

[Garvity]

Pull Request Template

#1484
Description:

• Added first-class WebRTC support to GoFr for real-time peer-to-peer communication.
• Introduced a reusable package, a new App.WebRTC registration API, and an example handler.
• Updated documentation and navigation to include WebRTC usage and observability.
• Motivation: Enable GoFr users to easily build real-time streaming (video/audio/data) applications with built-in metrics, logging, and tracing.

Breaking Changes (if applicable):

• No breaking changes introduced. All additions are backward compatible.

Additional Information:

• Uses the pion/webrtc library for WebRTC functionality.
• Example usage and documentation are provided in page.md and webrtc.go.

Checklist:

• I have formatted my code using goimport and golangci-lint.
• All new code is covered by unit tests.
• This PR does not decrease the overall code coverage.
• I have reviewed the code comments and documentation for clarity.

Thank you for your contribution!

[coolwednesday]

Hey!

Thanks for the contribution! The reviewers or maintainers might take a bit to test things out and could drop in with some suggestions. Appreciate your patience, and hope you're cool with working through any feedback with them. Thanks again!