✨ Add support for Histogram metrics

[MoshiBin]

• [x] Add function to create histogram metric
• [x] Expose histogram function in CLI
• [ ] Add unit tests

[codecov[bot]]

Codecov Report

Patch coverage: 40.00% and project coverage change: -5.98 :warning:

Comparison is base (46fdc2a) 100.00% compared to head (091a05c) 94.02%.

Additional details and impacted files

@@             Coverage Diff             @@
##              main     #105      +/-   ##
===========================================
- Coverage   100.00%   94.02%   -5.98%     
===========================================
  Files            6        6              
  Lines          182      201      +19     
===========================================
+ Hits           182      189       +7     
- Misses           0       12      +12     

Impacted Files	Coverage Δ
otel_cli/otel.py	88.73% <20.00%> (-11.27%)	:arrow_down:
otel_cli/cli.py	94.44% <60.00%> (-5.56%)	:arrow_down:

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