feat(samples): add sample with loading data from a file

chore: update namespaces

feat: extract game semaphores logic

feat: implement cinfo packet

docs(packets): add missing documentation

feat(packets): add entities and maps packets

docs: add documentation for missing fields

fix(packets): use skill vnum instead of id to avoid confustion between cast id and skill vnum

fix(packets): make correct fields nullable

fix(packets): make cmode morph skin allow higher values

feat: split packets definitions into separate assembly