clang-tidy exceptions

Author: serges147

include/libcyphal/presentation/presentation.hpp

@@ -690,6 +690,8 @@ class Presentation final : private detail::IPresentationDelegate  // NOSONAR cpp
         // So, it implicitly updates the `unreferenced_nodes_` list.
         while (unreferenced_nodes_.next_node != &unreferenced_nodes_)
         {
+            // Downcast is safe here b/c every `UnRefNode` instance is always a `SharedObject` one.
+            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-static-cast-downcast)
             auto* const shared_obj = static_cast<detail::SharedObject*>(unreferenced_nodes_.next_node);
             shared_obj->destroy();
         }

include/libcyphal/presentation/shared_object.hpp

@@ -60,8 +60,12 @@ struct UnRefNode
         }
     }
 
+    // No Lint b/c this `UnRefNode` is a simple helper struct as base of the below `SharedObject`.
+    // It's under `detail` namespace and not supposed to be used directly by the users of the library.
+    // NOLINTBEGIN(misc-non-private-member-variables-in-classes)
     UnRefNode* prev_node{nullptr};
     UnRefNode* next_node{nullptr};
+    // NOLINTEND(misc-non-private-member-variables-in-classes)
 
 };  // UnRefNode