add CAMEO pyaeroval base config

[jgriesfeller]

Change Summary

The subject says it all

Related issue number

fix #1330

Checklist

• Start with a draft-PR
• The PR title is a good summary of the changes
• PR is set to AeroTools and a tentative milestone
• Documentation reflects the changes where applicable
• Tests for the changes exist where applicable
• Tests pass locally
• Tests pass on CI
• At least 1 reviewer is selected
• Make PR ready to review

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 63 lines in your changes missing coverage. Please review.

Project coverage is 78.61%. Comparing base (c040c77) to head (9ba3022).
Report is 18 commits behind head on main-dev.

Files with missing lines	Patch %	Lines
pyaerocom/aeroval/config/cameo/base_config.py	0.00%	63 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           main-dev    #1331      +/-   ##
============================================
+ Coverage     78.49%   78.61%   +0.12%     
============================================
  Files           136      137       +1     
  Lines         20845    20912      +67     
============================================
+ Hits          16362    16441      +79     
+ Misses         4483     4471      -12     

Flag	Coverage Δ
unittests	78.61% <0.00%> (+0.12%)	⬆️

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[jgriesfeller]

close pull request since the original EMEP default configuration is used now