Add mbs analyser

[oliwenmandiamond]

Fixes #ISSUE

Instructions to reviewer on how to test:

1. Do thing x
2. Confirm thing y happens

Checks for reviewer

• Would the PR title make sense to a scientist on a set of release notes
• If a new device has been added does it follow the standards
• If changing the API for a pre-existing device, ensure that any beamlines using this device have updated their Bluesky plans accordingly
• Have the connection tests for the relevant beamline(s) been run via dodal connect ${BEAMLINE}

[codecov]

Codecov Report

❌ Patch coverage is 95.76271% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 99.10%. Comparing base (6048555) to head (6a29c43).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
...dal/devices/electron_analyser/mbs/mbs_driver_io.py	80.76%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2056      +/-   ##
==========================================
- Coverage   99.12%   99.10%   -0.03%     
==========================================
  Files         331      338       +7     
  Lines       12881    13125     +244     
==========================================
+ Hits        12768    13007     +239     
- Misses        113      118       +5     

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