Add ImageInterface

[h-mayorquin]

Should close #1186.

[codecov]

Codecov Report

Attention: Patch coverage is 89.91597% with 12 lines in your changes missing coverage. Please review.

Project coverage is 89.65%. Comparing base (09f446f) to head (a19e661).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
...c/neuroconv/datainterfaces/image/imageinterface.py	89.65%	12 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #1190    +/-   ##
========================================
  Coverage   89.65%   89.65%            
========================================
  Files         129      131     +2     
  Lines        8378     8497   +119     
========================================
+ Hits         7511     7618   +107     
- Misses        867      879    +12     

Flag	Coverage Δ
unittests	89.65% <89.91%> (+<0.01%)	⬆️

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Files with missing lines	Coverage Δ
src/neuroconv/datainterfaces/__init__.py	100.00% <100.00%> (ø)
src/neuroconv/datainterfaces/image/__init__.py	100.00% <100.00%> (ø)
...c/neuroconv/datainterfaces/image/imageinterface.py	89.65% <89.65%> (ø)