Fix terraform commenting, other small changes

lua/custom/plugins/copilot.lua

@@ -1,4 +1,4 @@
 return {
   'github/copilot.vim',
-  enabled = false,
+  enabled = true,
 }

lua/custom/plugins/init.lua

@@ -17,4 +17,12 @@ return {
       end,
     },
   },
+  --fix terraform and hcl comment string
+  vim.api.nvim_create_autocmd('FileType', {
+    group = vim.api.nvim_create_augroup('FixTerraformCommentString', { clear = true }),
+    callback = function(ev)
+      vim.bo[ev.buf].commentstring = '# %s'
+    end,
+    pattern = { 'terraform', 'hcl' },
+  }),
 }