Add OpenVim tutorial to Vim resources (#9895)

Added an interactive Vim tutorial resource to the list.

src/data/roadmaps/shell-bash/content/vim@jPAHVLBC87n4TIyiAZJue.md

@@ -6,4 +6,5 @@ Visit the following resources to learn more:
 
 - [@official@Vim](https://www.vim.org/)
 - [@article@Getting started with Vim: The basics](https://opensource.com/article/19/3/getting-started-vim)
-- [@video@Vim As Your Editor - Introduction](https://www.youtube.com/watch?v=X6AR2RMB5tE)
+- [@video@Vim As Your Editor - Introduction](https://www.youtube.com/watch?v=X6AR2RMB5tE)
+- [@course@OpenVim - Interactive Vim Tutorial](https://openvim.com/)