Link to mainnet incident reports, feedback and known issues

[pennyandrews]

The Story

As a user
I want to be able to find mainnet incident reports, known issues and to provide feedback
So that I can understand current issues and their status, get a feel for how Vega responds to them and report my own issues that I find

Examples from Governance and Console:

Acceptance Criteria

• Mainnet status and incidents opens https://blog.vega.xyz/tagged/vega-incident-reports
• Share your feedback opens https://github.com/vegaprotocol/feedback/discussions
• The links are visually identifiable as external links an open in a new browser tab

Tasks

• Add link in app (footer?) to 'Mainnet status & incidents' https://blog.vega.xyz/tagged/vega-incident-reports
• Add link in app (footer?) to 'Share your feedback' https://github.com/vegaprotocol/feedback/discussions

Additional details / background info

(https://vegaprotocol.slack.com/archives/C02GZ0Q0NDC/p1673003925560669)