feat: Add helper print commands to easily print avaliable devices and plans to user

[oliwenmandiamond]

Add small feature to quickly show available devices and plans to user via printing their name from client.

>>> bc.print_devices()
psk1
psj1
dcm
psi2
jgap
fsj1
...

>>> bc.print_plans()
count(detectors, num=None, delay=None, metadata=None)
spec_scan(detectors, spec, metadata=None)
move(moves, group=None)
move_relative(moves, group=None)
set_absolute(movable, value, group=None, wait=None)
set_relative(movable, value, group=None, wait=None)
sleep(time)
wait(group=None, timeout=None)
...

[tpoliaw]

nit: I think print_plans/print_devices would be more descriptive for what the functions are doing.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.28%. Comparing base (af06958) to head (7868c0a).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1501   +/-   ##
=======================================
  Coverage   95.27%   95.28%           
=======================================
  Files          43       43           
  Lines        3173     3179    +6     
=======================================
+ Hits         3023     3029    +6     
  Misses        150      150           

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