README: add the git.tangentheavy.com/RickPrompter short link

Co-Authored-By: Claude Opus 5.5 <[email protected]>

README.md

@@ -4,6 +4,8 @@ A DIY teleprompter built for the [Tangent Heavy Industries](https://tangentheavy
 a laser-cut 5 mm plywood hood, a picture-frame glass beamsplitter at 45°, a tablet lying flat
 underneath, and a Pixel 6 shooting through the glass from behind.
 
+Short link: **https://git.tangentheavy.com/RickPrompter**
+
 ![Render](Documents/Images/render.png)
 
 Also included: **SurplusSoftLight**, a laser-cut soft light built alongside it.