Ensures the block's size limit is respected.
Defines a policy for weights. While I'm unsure I want to commit to this
forever, I do want to acknowledge it's valid and well-defined.
Cleans up the `serai-runtime` crate a bit with further modules in the `wasm`
folder.
`serai_core_pallet` solely defines an accumulator for the events. We use the
traditional `frame_system::Events` to store them for now and enable retrieval.
