improve config structure

lua/plugins/treesitter.lua

@@ -0,0 +1,25 @@
+local M = {}
+
+M.config = function()
+    local ts_config = require("nvim-treesitter.configs")
+
+    ts_config.setup {
+        ensure_installed = {
+            "javascript",
+            "html",
+            "css",
+            "bash",
+            "lua",
+            "json",
+            "python"
+            -- "rust",
+            -- "go"
+        },
+        highlight = {
+            enable = true,
+            use_languagetree = true
+        }
+    }
+end
+
+return M