Add support for db-ip.com

[AHReccese]

Reference Issues/PRs

#93

What does this implement/fix? Explain your changes.

Any other comments?

[codecov-commenter]

Codecov Report

❌ Patch coverage is 92.30769% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 71.42%. Comparing base (d1fd333) to head (3b6d108).

Files with missing lines	Patch %	Lines
ipspot/ipv4.py	90.90%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev      #99      +/-   ##
==========================================
+ Coverage   70.96%   71.42%   +0.46%     
==========================================
  Files           4        4              
  Lines         465      476      +11     
  Branches       47       48       +1     
==========================================
+ Hits          330      340      +10     
  Misses        117      117              
- Partials       18       19       +1     

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[sepandhaghighi]

@AHReccese
Thank you for your efforts. Please update the test_ipv4_functions.py file for this new API (network and timeout error cases)

[sepandhaghighi]

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