feat: object oriented device API

[tlambert03]

I quite like how it feels to use the object-oriented device API in pymmcore-plus. this implements it in C++

[codecov]

Codecov Report

Attention: Patch coverage is 10.83123% with 354 lines in your changes missing coverage. Please review.

Project coverage is 23.59%. Comparing base (00c86ad) to head (31661ea).

Files with missing lines	Patch %	Lines
src/DeviceHandle.cpp	6.81%	243 Missing and 3 partials ⚠️
src/_pymmcore_nano.cc	21.64%	64 Missing and 12 partials ⚠️
src/DeviceHandle.h	11.11%	28 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #38      +/-   ##
==========================================
- Coverage   24.08%   23.59%   -0.49%     
==========================================
  Files          90       92       +2     
  Lines        6710     7098     +388     
  Branches     3516     3546      +30     
==========================================
+ Hits         1616     1675      +59     
- Misses       3773     4073     +300     
- Partials     1321     1350      +29     

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