Add 'antimeridian_mode' to DynamicAreaDefinition

[djhoese]

Closes #428. See #428 for more details about the possible cases here.

• [ ] Closes #xxxx
• [ ] Tests added
• [ ] Tests passed
• [ ] Passes git diff origin/main **/*py | flake8 --diff
• [ ] Fully documented

[codecov[bot]]

Codecov Report

Merging #431 (79edf86) into main (1b14698) will increase coverage by 0.26%. The diff coverage is 91.66%.

@@            Coverage Diff             @@
##             main     #431      +/-   ##
==========================================
+ Coverage   93.95%   94.21%   +0.26%     
==========================================
  Files          65       68       +3     
  Lines       11252    12346    +1094     
==========================================
+ Hits        10572    11632    +1060     
- Misses        680      714      +34     

Flag	Coverage Δ
unittests	94.21% <91.66%> (+0.26%)	:arrow_up:

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

Impacted Files	Coverage Δ
pyresample/geometry.py	87.12% <88.31%> (+0.07%)	:arrow_up:
pyresample/test/test_geometry.py	99.51% <100.00%> (+0.03%)	:arrow_up:
pyresample/utils/proj4.py	100.00% <100.00%> (ø)
pyresample/gradient/__init__.py	95.14% <0.00%> (-2.81%)	:arrow_down:
pyresample/test/utils.py	74.76% <0.00%> (-0.94%)	:arrow_down:
pyresample/bilinear/xarr.py	92.90% <0.00%> (-0.11%)	:arrow_down:
pyresample/area_config.py	90.55% <0.00%> (ø)
pyresample/test/test_bucket.py	100.00% <0.00%> (ø)
pyresample/test/test_bilinear.py	100.00% <0.00%> (ø)
pyresample/test/test_spherical.py	100.00% <0.00%> (ø)
... and 9 more

Help us with your feedback. Take ten seconds to tell us how you rate us.

[coveralls]

Coverage increased (+0.3%) to 94.063% when pulling 79edf8698dab9f91d9ec0db0738d761e5baad205 on djhoese:feature-antimeridian-mode into 0cb8914f146a2ffac9e816ed7be4ad323847266d on pytroll:main.