development settings, and renaming neovim to nixvim

home/modules/devtools/nixvim/plugins/treesitter.nix

@@ -0,0 +1,40 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkIf;
+  cfg = config.modules.devtools.nixvim.plugins.treesitter;
+in {
+  options = {
+    modules.devtools.nixvim.plugins = {
+      treesitter.enable = mkEnableOption "Enables Treesitter plugin for nixvim";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    programs.nixvim.plugins = {
+      treesitter = {
+        enable = true;
+        nixvimInjections = true;
+        settings = {
+          highlight.enable = true;
+          indent.enable = true;
+        };
+        folding = true;
+      };
+
+      treesitter-refactor = mkIf cfg.enable {
+        enable = true;
+        highlightDefinitions = {
+          enable = true;
+          clearOnCursorMove = false;
+        };
+      };
+
+      hmts = mkIf cfg.enable {
+        enable = true;
+      };
+    };
+  };
+}