Add system requirements to the README

Fixes #1 for now

Author: mads-hartmann

README.md

@@ -20,6 +20,9 @@ install it from the marketplace (It's called [Bash IDE][vscode-marketplace]).
 
 ## Development guide
 
+**prerequisite:** The extension is using [node-gyp][node-gyp] to build the bash
+tree-sitter parser. See node-gyps [system requirements][node-gyp-installation].
+
 Install the dependencies:
 
     npm install
@@ -37,3 +40,5 @@ 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
+[node-gyp]: https://github.com/nodejs/node-gyp
+[node-gyp-installation]: https://github.com/nodejs/node-gyp#installation

vscode-client/README.md

@@ -3,6 +3,11 @@
 Bash language server. Uses [Tree Sitter][tree-sitter] and its
 [grammar for Bash][tree-sitter-bash].
 
+## System Requirements
+
+The extension is using [node-gyp][node-gyp] to build the bash tree-sitter parser
+during installation. See node-gyps [system requirements][node-gyp-installation].
+
 ## Features
 
 - [x] Jump to declaration
@@ -15,3 +20,5 @@ Bash language server. Uses [Tree Sitter][tree-sitter] and its
 
 [tree-sitter]: https://github.com/tree-sitter/tree-sitter
 [tree-sitter-bash]: https://github.com/tree-sitter/tree-sitter-bash
+[node-gyp]: https://github.com/nodejs/node-gyp
+[node-gyp-installation]: https://github.com/nodejs/node-gyp#installation