fix(neovide): neovide is not set up correctly because of ipairs (ay…

…amir#1052)

since the numeric keys are ignored as whole in `iparis` iteration, configurations in
`neovide_config` actually aren't set to neovide, after switching `ipairs` to `pairs`,
configurations are set properly.

lua/core/init.lua

@@ -83,7 +83,7 @@ local gui_config = function()
 end
 
 local neovide_config = function()
-  for name, config in ipairs(settings.neovide_config) do
+  for name, config in pairs(settings.neovide_config) do
     vim.g["neovide_" .. name] = config
   end
 end