Add ni v2

[maxkahan]

Adds Number Insight v2 functionality Refactors regex checks into one function in the _internal.py module

[codecov-commenter]

Codecov Report

Merging #265 (57426aa) into main (c57adff) will increase coverage by 0.00%. The diff coverage is 98.03%.

@@           Coverage Diff           @@
##             main     #265   +/-   ##
=======================================
  Coverage   97.33%   97.34%           
=======================================
  Files          25       26    +1     
  Lines        1090     1129   +39     
=======================================
+ Hits         1061     1099   +38     
- Misses         29       30    +1     

Files Changed	Coverage Δ
src/vonage/number_insight_v2.py	96.00% <96.00%> (ø)
src/vonage/_internal.py	95.23% <100.00%> (+2.93%)	:arrow_up:
src/vonage/client.py	94.29% <100.00%> (+0.05%)	:arrow_up:
src/vonage/errors.py	100.00% <100.00%> (ø)
src/vonage/messages.py	100.00% <100.00%> (ø)
src/vonage/verify2.py	98.38% <100.00%> (-0.03%)	:arrow_down:

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[maxkahan]

@superchilled Have made your suggested changes 🙂

[maxkahan]

Closing as adding in v4 and the current functionality will be added to Number Insight v1 in a similar form.