adding latex plugin

nvchad/chadrc.lua

@@ -46,5 +46,6 @@ M.ui = {
 M.mappings = require "custom.mappings"
 vim.cmd('autocmd BufRead,BufEnter *.astro set filetype=astro')
 vim.cmd('set rnu')
+vim.cmd('autocmd InsertLeave *.tex update')
 
 return M

nvchad/plugins/init.lua

@@ -18,5 +18,6 @@ return {
         autotag.setup()
       end
     end
-  }
+  },
+  ["lervag/vimtex"] = {},
 }