nvim: treesitter: move some parsers to their own config file in lang directory

nvim/lua/user/plugins/lang/markdown.lua

@@ -0,0 +1,23 @@
+return {
+    'MeanderingProgrammer/render-markdown.nvim',
+    dependencies = {
+        'nvim-tree/nvim-web-devicons',
+        {
+            "nvim-treesitter/nvim-treesitter",
+            opts = {
+                ensure_installed = { "markdown" }
+            }
+        }
+    },
+    opts = {
+        code = {
+            style = 'normal',
+            min_width = 45,
+            left_pad = 2,
+            right_pad = 2,
+            border = 'thick',
+            above = ' ',
+            below = ' ',
+        },
+    }
+}