Add spp.create_packet_list function

[medley56]

Checklist

• [x] Changes are fully implemented without dangling issues or TODO items
• [x] Deprecated/superseded code is removed or marked with deprecation warning
• [x] Current dependencies have been properly specified and old dependencies removed
• [x] New code/functionality has accompanying tests and any old tests have been updated to match any new assumptions
• [x] The changelog.md has been updated

[codecov[bot]]

Codecov Report

:x: Patch coverage is 97.72727% with 1 line in your changes missing coverage. Please review. :white_check_mark: Project coverage is 93.49%. Comparing base (7d9468a) to head (b0ab4b6). :warning: Report is 23 commits behind head on main.

Files with missing lines	Patch %	Lines
space_packet_parser/xarr.py	93.75%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #160      +/-   ##
==========================================
+ Coverage   93.43%   93.49%   +0.05%     
==========================================
  Files          37       37              
  Lines        2605     2627      +22     
==========================================
+ Hits         2434     2456      +22     
  Misses        171      171              

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[medley56]

I'm going to decline this PR. I don't think this intermediate abstraction is needed to save users from having to type packet_list = list(generator)