Add vi editor as a vale/markdownlint option

doc/development/documentation/index.md

@@ -655,11 +655,13 @@ To configure markdownlint within your editor, install one of the following as ap
 - [Sublime Text](https://packagecontrol.io/packages/SublimeLinter-contrib-markdownlint)
 - [Visual Studio Code](https://marketplace.visualstudio.com/items?itemName=DavidAnson.vscode-markdownlint)
 - [Atom](https://atom.io/packages/linter-node-markdownlint)
+- [Vim](https://github.com/dense-analysis/ale)
 
 To configure Vale within your editor, install one of the following as appropriate:
 
 - The Sublime Text [`SublimeLinter-contrib-vale` plugin](https://packagecontrol.io/packages/SublimeLinter-contrib-vale)
 - The Visual Studio Code [`testthedocs.vale` extension](https://marketplace.visualstudio.com/items?itemName=testthedocs.vale)
+- [Vim](https://github.com/dense-analysis/ale)
 
 We don't use [Vale Server](https://errata-ai.github.io/vale/#using-vale-with-a-text-editor-or-another-third-party-application).