Update bug_report.yml

Try to tell users about what this repository covers.

Author: cscheid

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -7,9 +7,13 @@ body:
     attributes:
       value: |
         Welcome to the quarto GitHub repository!
-
         We are always happy to hear feedback from our users.
 
+        This is the repository for the command-line program `quarto`:
+        
+        - If you're reporting an issue with the VS Code extension, please visit https://github.com/quarto-dev/quarto
+        - If you're reporting an issue inside RStudio, please visit https://github.com/rstudio/rstudio
+
         Quarto is under active development!
         If convenient, we'd appreciate if you could check that the issue persists on the [latest pre-release](https://github.com/quarto-dev/quarto-cli/releases).