docs: add vscode link (#1730)

Add link to microsoft/vscode repo to easily find original source.

README.md

@@ -19,7 +19,7 @@
 
 </div>
 
-**This is not a fork. This is a repository of scripts to automatically build Microsoft's `vscode` repository into freely-licensed binaries with a community-driven default configuration.**
+**This is not a fork. This is a repository of scripts to automatically build [Microsoft's `vscode` repository](https://github.com/microsoft/vscode) into freely-licensed binaries with a community-driven default configuration.**
 
 ## Table of Contents