Wallet set up tutorial - mainnet

[pennyandrews]

Story

As a user I want to see a tutorial of how to set up a Vega wallet on mainnet So that I feel supported in doing so, am more likely to get it right first time and have a good experience as a result

Acceptance Criteria

• [ ] I can see and link to a video tutorial(s) from the https://vega.xyz/wallet page of the website (perhaps near the 'How to use' section)
• [ ] I can see what network this tutorial is relevant for

Tasks

• [ ] Decide whether this replaces the fairground tutorial or both should be promoted/available
• [ ] Decide what details to show and where on the page to link to the tutorial
• [ ] Design how this will look on the page (as needed)
• [ ] Implement
• [ ] Test
• [ ] Release

Sketch

Additional details / background info

Slack thread from Edo sharing that a video tutorial has been created and shared on Twitter https://vegaprotocol.slack.com/archives/C02KSKW6Y3F/p1675253167005199

Link to video tutorial on YouTube channel for MAINNET - TBC this doesn't exist yet hence ticket is blocked

[ckpringle]

Do we need this? To check @rebeccajsimmonds