make config more lightweight

after/plugin/treesitter.lua

@@ -17,8 +17,17 @@ require"nvim-treesitter.configs".setup {
             node_decremental = "grm",
         },
     },
+    rainbow = {
+        enable = true,
+        -- list of languages you want to disable the plugin for
+        disable = {},
+        -- Which query to use for finding delimiters
+        query = 'rainbow-parens',
+        -- Highlight the entire buffer all at once
+        strategy = require('ts-rainbow').strategy.global,
+    },
 }
 
-vim.wo.foldmethod = "expr"
+vim.wo.foldmethod = "manual"
 vim.wo.foldexpr = "nvim_treesitter#foldexpr()"
 vim.o.foldlevelstart = 99 -- do not close folds when a buffer is opened