added treesitter setup

init.vim

@@ -236,6 +236,22 @@ let g:vimsyn_embed = 'l'
 "TSInstall bash
 
 
+lua <<EOF
+require'nvim-treesitter.configs'.setup {
+    highlight = {
+        enable = true,
+    },
+    indent = {
+        enable = true,
+    },
+    fold = {
+        enable = true,
+    },
+}
+EOF
+set foldmethod=expr
+set foldexpr=nvim_treesitter#foldexpr()
+
 
 "========================== Settings Related to SLIME ==========================
 "===============================================================================