Mpmq

* feat: add backwards compatibility for passing function arguments
* fix: get message returns offset
* docs: add subclass example
* docs: update examples
* docs: add example gifs
* build: update build and description

- target function arguments are key word arguments
- support for Python versions 3.11 & 3.12

- add `on_start_*` and `on_complete_*` method hooks
- simplified `get_message` function
- update build workflow

fix: pass exceptions through to caller

- add ability to build against all targeted Python versions

- consolidate `active_processes` and `finished_processes` instance attributes into `processes`
- improve exception handling
- rename `process_non_control_message` to `process_message`