docs: Add a few more details to the README.md file.

Author: gkapfham

README.md

@@ -2,10 +2,12 @@
 
 This is the GitHub repository for
 [Prosegrammers](http://www.prosegrammers.com/), a website for a course about
-document engineering. Prosegrammers learn to use Python for creating, analyzing,
-and improving documents, blending programming with technical writing. The course
-covers tools like Jupyter Notebooks and Quarto, and teaches skills in covers
-tools like [Jupyter Notebooks](https://jupyter.org/) and
+document engineering. Prosegrammers learn to use Python for creating,
+analyzing, and improving documents, blending programming with technical
+writing. The course covers tools like Jupyter Notebooks and Quarto, and teaches
+skills in covers tools like [Jupyter Notebooks](https://jupyter.org/) and
 [Quarto](https://quarto.org/), and teaches skills in documentation, version
-control, and AI-assisted coding. All resources and projects are publicly
+control, and AI-assisted coding with [GitHub
+Copilot](https://github.com/features/copilot) and
+[OpenCode](https://opencode.ai/). All resources and projects are publicly
 available.