* refactor: move generic `astro` functions to `math.py`
* feat: add function to calculate altitude, azimuth and D
* test: add test for unnormalized legendre polynomials
* test: moved `normalize_angle` test to `test_math.py`
* test: add ECEF to altaz test at USNO

test: add zenith angle test

* feat: expose buffer distance to crop tide model data for #367

* test: add constituent parameter test

* fix: omega and phase in constituent parameters
* refactor: move body tide Love/Shida numbers to `arguments`
* ci: add windows build for #98
* test:  create test files from matlab program for comparison
* fix: add `missing_ok` to deletions in tests
* fix: verify that file objects are closed in `test_spatial`

feat: add tidal aliasing period function
fix: add latitude and longitude as potential dimension names

* refactor: moved check points function to `compute`

* docs: unify all references to a single page