update treesitter config (add incr. selection, indent)

home/base/programs/nixvim/default.nix

@@ -7,15 +7,16 @@
     viAlias = true;
     vimAlias = true;
 
+    colorschemes.catppuccin = {
+      enable = true;
+      settings = { flavour = "frappe"; };
+    };
+
     performance.byteCompileLua.enable = true;
 
     clipboard.providers.wl-copy.enable = true;
 
     globals.mapleader = " ";
-    colorschemes.catppuccin = {
-      enable = true;
-      settings = { flavour = "frappe"; };
-    };
 
     opts = { 
       smartindent = false;
@@ -157,8 +158,27 @@
       treesitter = {
         enable = true;
         settings = {
-          highlight.enable = true;
+          auto_install = true;
-          indent.enable = true;
+          highlight = {
+            additional_vim_regex_highlighting = true;
+            custom_captures = { };
+            enable = true;
+          };
+          incremental_selection = {
+            enable = true;
+            keymaps = {
+              init_selection = false;
+              node_decremental = "grm";
+              node_incremental = "grn";
+              scope_incremental = "grc";
+            };
+          };
+          indent = {
+            enable = true;
+          };
+          parser_install_dir = {
+            __raw = "vim.fs.joinpath(vim.fn.stdpath('data'), 'treesitter')";
+          };
         };
       };
       treesitter-context.enable = true;