add info on positron

Author: eeholmes

content/github/authenticating.qmd

@@ -31,6 +31,10 @@ No tokens needed but you will need Git installed. <https://code.visualstudio.com
 2. Click on the GitHub icon in left nav bar and open a GitHub repo on your computer.
 3. Click on the GitHub icon (again) and sign into GitHub with your username and password.
 
+### Positron
+
+Similar to VSCode. You log into your GitHub account with your username and password. If you need to work with repos in GitHub Enterprise, there's a "GitHub Enterprise URI" Setting in Positron. Put in your enterprise url, e.g. <https://github.com/enterprises/noaa-nmfs/> to clone internal repos.
+
 ### GitKraken Desktop
 
 No tokens needed. Log in with your GitHub account. <https://help.gitkraken.com/gitkraken-desktop/github-gitkraken-desktop/>