Make it clear that it's installable from the marketplace

Author: mads-hartmann

README.md

@@ -13,7 +13,12 @@ Bash language server implementation based on [Tree Sitter][tree-sitter] and its
 - [x] Simple diagnostics reporting
 - [ ] Rename symbol
 
-## How to run locally
+## Installation
+
+Currently the client has only been implemented for Visual Studio Code. You can
+install it from the marketplace (It's called [Bash IDE][vscode-marketplace]).
+
+## Development guide
 
 Install the dependencies:
 
@@ -31,3 +36,4 @@ Launch the extension using `Launch Client` from within vscode.
 
 [tree-sitter]: https://github.com/tree-sitter/tree-sitter
 [tree-sitter-bash]: https://github.com/tree-sitter/tree-sitter-bash
+[vscode-marketplace]: https://marketplace.visualstudio.com/items?itemName=mads-hartmann.bash-ide-vscode