feat(neovim): add c_sharp treesitter query, fold regions

modules/home-manager/programs/neovim/default.nix

@@ -137,6 +137,11 @@ in
       source = ./lua;
     };
 
+    xdg.configFile."nvim/queries" = {
+      recursive = true;
+      source = ./queries;
+    };
+
     xdg.configFile."nvim/lua/plugins/astrolsp.lua".source = pkgs.runCommand "astrolsp.lua" { } ''
       cp ${./lsp.lua} $out
 

modules/home-manager/programs/neovim/queries/c_sharp/folds.scm

@@ -0,0 +1,14 @@
+;; extends
+
+; Capture entire regions for folding
+(
+  (preproc_region) @region_begin
+  .
+  [
+    (declaration)
+    (type_declaration)
+  ]*
+  .
+  (preproc_endregion) @region_end
+  (#make-range! "fold" @region_begin @region_end)
+)