feat!: add description to policy defaults

[matt-FFFFFF]

Adds description field to policy default values. Modifies documentation output to tabular format and include description when available.

Example output:

Policy Default Values

The following policy default values are available in this library:

default name ama_change_tracking_data_collection_rule_id

The data collection rule id that should be used for the change tracking deployment.

ASSIGNMENT	PARAMETER NAMES
Deploy-VM-ChangeTrack	dcrResourceId
Deploy-VMSS-ChangeTrack	dcrResourceId
Deploy-vmArc-ChangeTrack	dcrResourceId

default name ama_mdfc_sql_data_collection_rule_id

The data collection rule id that should be used for the SQL MDFC deployment.

ASSIGNMENT	PARAMETER NAMES
Deploy-MDFC-DefSQL-AMA	dcrResourceId

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 34.21053% with 25 lines in your changes missing coverage. Please review.

Project coverage is 48.83%. Comparing base (c78de13) to head (ba7cae3).

Files with missing lines	Patch %	Lines
defaultPolicyAssignmentValues.go	47.82%	12 Missing ⚠️
internal/doc/doc.go	0.00%	10 Missing ⚠️
alzlib.go	25.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #186      +/-   ##
==========================================
- Coverage   48.91%   48.83%   -0.08%     
==========================================
  Files          39       39              
  Lines        2437     2455      +18     
==========================================
+ Hits         1192     1199       +7     
- Misses       1083     1095      +12     
+ Partials      162      161       -1     

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[jaredfholgate]

LGTM