fix: Do not create error when generating annotation on empty file

lua/neogen/init.lua

@@ -124,7 +124,14 @@ neogen.generate = function(opts)
 
                 -- Create extmark to jump back to current location
                 local pos = vim.api.nvim_win_get_cursor(0)
-                neogen.utilities.cursor.create(pos[1], pos[2] + 1)
+                local col = pos[2] + 2
+
+                -- If the line we are in is empty, it will throw an error out of bounds.
+                if vim.api.nvim_get_current_line() == "" then
+                    col = pos[2] + 1
+                end
+
+                neogen.utilities.cursor.create(pos[1], col)
 
                 -- Creates extmark for the end of the content
                 neogen.utilities.cursor.create(to_place + #content + 1, 0)