Feature/Mongo API

[ASHuenchuleo]

Description

Added feature to allow direct requests to the new mongo API

Related Issue or Feature

Issue #26

Motivation and Context

As part of the migration to Mongo, an API has been developed to proxy direct queries to the database. This client facilitates the connection process just like witht he PSQL API.

How Has This Been Tested?

Tests were added to the existing unit tests.

[codecov]

Codecov Report

Merging #32 (93aa3cf) into main (6a09655) will increase coverage by 0.79%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #32      +/-   ##
==========================================
+ Coverage   87.02%   87.82%   +0.79%     
==========================================
  Files           7        7              
  Lines         370      386      +16     
==========================================
+ Hits          322      339      +17     
+ Misses         48       47       -1     

Impacted Files	Coverage Δ
alerce/core.py	100.00% <100.00%> (ø)
alerce/direct.py	100.00% <100.00%> (ø)
alerce/utils.py	97.95% <100.00%> (+1.02%)	⬆️

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