added ftplugin folder and html.lua

ftplugin/html.lua

@@ -0,0 +1,2 @@
+vim.opt.shiftwidth = 2
+vim.opt.tabstop = 2

lua/config.lua

@@ -34,8 +34,8 @@ opt.encoding = "utf-8"
 opt.fileformat = "unix"
 opt.scrolloff = 4 -- Lines of context
 opt.shiftwidth = 4
-opt.synmaxcol = 4000
 opt.tabstop = 4
+opt.synmaxcol = 4000
 opt.textwidth = 0
 --opt.titlestring = "NVIM: %f"
 opt.titlestring = [[NVIM: [%{fnamemodify(getcwd(), ':t')}] %t]]