Include markdown and markdown_inline in pre-installed, since those are very likely unavoidable.

I use Markdown rendering for comment strings, or something like that,
hence this is probably good to have pre-emptively.

.config/nvim/lua/plugin/nvim-treesitter.lua

@@ -11,6 +11,7 @@ return { {
 			'c', 'make',
 			'bash', 'gitignore', 'editorconfig',
 			'ini', 'json', 'yaml',
+			'markdown', 'markdown_inline',
 		})
 
 		-- Define aliases for entries that lack an entry, but should have one.