add autocmd for gitcommit filetype

.config/nvim/lua/core/autocmds.lua

@@ -10,6 +10,15 @@ autocmd('FileType', {
    end,
 })
 
+--  ─────────────────────[ set options for gitcommit ]─────────────────────
+autocmd('FileType', {
+   pattern = 'gitcommit',
+   callback = function()
+      vim.opt_local.textwidth = 78
+      vim.opt_local.spell = true
+   end,
+})
+
 -- ┌
 -- │ Highlight on yank
 -- │ from https://github.com/raymon-roos/neovim-config/blob/main/lua/core/autocmds.lua