[packet] move MQTT 3 implementation to mqtt3 namespace#313

Draft

ajmirsky wants to merge 2 commits into

Yakifo:mainfrom

ajmirsky:upstream/mqtt3-namespace-and-mqtt5-scaffold

Commits on May 8, 2026

Yakifo/amqtt#174 : move current implementation to mqtt3 namespace and mark mqtt module as deprecated. allows for a namespace for mqtt 5 implementation
ajmirsky
committed
namespace for mqtt5
ajmirsky
committed