Pysatcdaac

* Bug fixes
* Update metadata transfer for COSMIC GPS
* Maintenance
* Update GitHub Actions standards
* Added support for readthedocs
* Cleaned up contributing guidelines based on latest project standards
* Update links in documentation
* Implement pyproject.toml

* Updated `cosmic_gps` to support xarray Datasets
* Added altitude binning profile support for all datasets with altitude
as a variable.
* Added `download` to general methods
* Added support for `cosmic2_ivm`
* Maintenance
* Update links in documentation
* Update testing compliance
* Add windows testing
* Add workflow for testing with pysat RC
* Updated instrument tests to use pysat 3.0.2 syntax
* Added clean warning routine to `methods.general`

* Update instrument style for pysat 3.0.0
* `cosmic_gps` now supports downloads from new public data location
* Update `cosmic_gps` data directory structure
* Updated parsing of `cosmic_gps` filenames to ensure only the latest
version on disk is retained.

* initial port of existing routines from pysat