feat: add parser class(#1699)

[XDRAGON2002]

Closes #1699

[codecov-commenter]

Codecov Report

Merging #1700 (e644bb4) into main (09ebae5) will decrease coverage by 0.23%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #1700      +/-   ##
==========================================
- Coverage   78.76%   78.53%   -0.24%     
==========================================
  Files         298      299       +1     
  Lines        6189     6195       +6     
  Branches     1006     1007       +1     
==========================================
- Hits         4875     4865      -10     
- Misses       1096     1111      +15     
- Partials      218      219       +1     

Flag	Coverage Δ
longtests	78.53% <0.00%> (-0.24%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cve_bin_tool/parsers/__init__.py	0.00% <0.00%> (ø)
cve_bin_tool/nvd_api.py	75.20% <0.00%> (-8.80%)	⬇️
cve_bin_tool/cli.py	70.90% <0.00%> (+0.40%)	⬆️

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[terriko]

Yay for starting!