Adds a limit on the number of queries

Aligns with other gate messaging states
  Simplifies context keys for premium
Fixes purchase link to point to account site
Polishes other gate messaging

Reduces startup impact

Changes context to be Uri based rather than editor

Events are better aggregated and bootstrapped
Resizing should be smoother and behave much better
Adds refresh on repository changes
Adds new empty message

While convenient, it causes a difference of behavior

Adds show method to webview views

Avoids import issues

Improves template replacement bindings

Ensures supports works for worktrees and stashes
Fixes create worktree from repositories view

Adds Learn about Premium Features to command palette

Adds links footer to home view when welcome is hidden
Polishes welcome/settings page headers
Removes links from welcome page
Removes old welcome view