v2.1.8

Summary:
Lots of little fixes (thanks @robbibt and @eceguhraterfa!) and updates to the documentation. Moved the table of Doodson coefficients to a JSON file included with the program. Moved all Jupyter notebook examples so that they are rendered in the documentation. Added Cartwright/Tayler/Edden tables of the tidal generating potential for degree 2 and degree 3.

Itemized Changes:

• docs: fix repository url fetch from Project-URL
• docs: update CITATION.cff to add version information
• docs: add more definitions to glossary
• refactor: convert Doodson coefficients table to JSON (#353)
• feat: added option to use Munk-Cartwright admittance interpolation for minor (#353)
• feat: add Cartwright and Edden (1973) table 1 (#353)
• feat: add Cartwright and Tayler (1971) table 5 (#353)
• feat: add function to parse Cartwright/Tayler/Edden tables (#353)
• feat: add functions to calculate UKHO Extended Doodson numbers for constituents (#353)
• test: add test for extended doodson (#353)
• docs: add citations to included data (#353)
• fix: remove default bounds being None for #356 (#357)
• docs: move notebooks to docs and use myst to render (#359)
• fix: correct error when using default bounds in extract_constants for #356 (#359)
• fix: correct TPXO10-atlas-v2 binary grid filename for #358 (#359)
• fix: some Cartwright and Edden (1973) table entries (#359)
• docs: use cards for notebook examples page (#360)
• fix: GOT5.6 names in database and add 'n2' (#360)
• docs: set card grid to be either 1, 2 or 4
• fix: update pyproject.toml for doc build
• fix: allow variable case for Doodson number formalisms (#361)
• feat: added property for Extended Doodson numbers (#361)
• fix: use Love numbers for long-period tides when inferring (won't affect tilt factors) (#361)
• docs: add form factor notebook for classifying regional tides (#361)

Full Changelog: 2.1.7...2.1.8