docs: def setup_addon_register(self, harpoon):
          """Setup our addon register"""
          # Create the addon getter and register the crosshairs namespace
          self.addon_getter = AddonGetter()
          self.addon_getter.add_namespace("harpoon.crosshairs", Result.FieldSpec(), Addon.FieldSpec())
  
          # Initiate the addons from our configuration
          register = Register(self.addon_getter, self)
  
          if "addons" in harpoon:
              addons = harpoon["addons"]
              if type(addons) in (MergedOptions, dict) or getattr(addons, "is_dict", False):
                  spec = sb.dictof(sb.string_spec(), sb.listof(sb.string_spec()))
                  meta = Meta(harpoon, []).at("addons")
                  for namespace, adns in spec.normalise(meta, addons).items():
                      register.add_pairs(*[(namespace, adn) for adn in adns])
  
          # Import our addons
          register.recursive_import_known()
  
          # Resolve our addons
          register.recursive_resolve_imported()
  
          return register