Add missing type annotations

[jgersak]

add type annotations to snow_mask
add type annotations to geometry_io

[codecov-commenter]

Codecov Report

Base: 89.61% // Head: 89.62% // Increases project coverage by +0.01% 🎉

Coverage data is based on head (60e2466) compared to base (dfada66).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #546      +/-   ##
===========================================
+ Coverage    89.61%   89.62%   +0.01%     
===========================================
  Files           57       57              
  Lines         5313     5313              
===========================================
+ Hits          4761     4762       +1     
+ Misses         552      551       -1     

Impacted Files	Coverage Δ
io/eolearn/io/geometry_io.py	84.53% <100.00%> (ø)
mask/eolearn/mask/snow_mask.py	98.07% <100.00%> (ø)
core/eolearn/core/extra/ray.py	95.12% <0.00%> (+2.43%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.