add VS Code

Installation.md

@@ -115,6 +115,8 @@ Depending on your system [Python](https://www.python.org) may be called either `
 
 We recommend using [virtual environments](https://docs.python.org/3/tutorial/venv.html) to manage dependencies.
 
+If you want to edit the code, a good code editor is [VS Code](https://code.visualstudio.com).
+
 ### Windows
 
 One time setup and running for the first time: