Most users that sign up for GL come from the walkthrough on VSC. This pops up after install. The walkthrough could be tailored to drive engagement to Pro features.

Solves PLG-121

The follow-up: #4860

Verification steps

• should look like in figma link in PLG-121
• buttons on each step are actionable and do what is expected:
  • on "Welcome" -> opens registration page.
  • on "Graph" -> opens the Graph View
  • on "Commit Smarter" -> opens the Commit Composer
  • on "Blame" -> opens the help center
  • on "Launchpad" -> opens the Launchpad
• walkthrough hover on the Home view reflects the new Walkthrough steps
• following actions check the steps
  • on "Welcome" -> having a GK account
  • on "Graph" -> showing the Commit Graph, or showing something in the Commit Graph
  • on "Commit Smarter" -> hitting the "Recompose with AI" button
  • on "Blame" -> toggling File Blame
  • on "Launchpad" -> opening the Launchpad with a connected GK account.