Fix Get Started link changes

[gadenbuie]

Related: #290

Here's a list of target files with their unresolved link targets, pulled from the latest build log.

• docs/routing.qmd
  • docs/deploy-on-prem.qmd
• docs/comp-r-shiny.qmd
  • docs/install-create-run.qmd
• docs/user-interfaces.qmd
  • docs/install-create-run.qmd
• docs/overview.qmd
  • docs/shinylive.qmd
  • docs/install-create-run.qmd (appears 3 times)
• docs/jupyter-widgets.qmd
  • docs/shinylive.qmd (appears 2 times)
• templates/stock-app/index.qmd
  • components/inputs/date-range/index.qmd
• get-started/include/why-virtual-env.qmd
  • get-started/include/deploy.qmd
• get-started/create-run.qmd
  • get-started/get-started/install.qmd

[gadenbuie]

Fixed by #292