API light curve fitter enhancements and doc improvements

• Modify lightcurve fitting and charting to support large data set display when generated by JPL backend processes
• API optimization
• Improved examples and TESS documentation

What's Changed

• Use-case document + fix to multi-lc fitter for citisens by @pearsonkyle in #1228
• Minor updates for releasing LC Fitting by @jpl-jengelke in #1231
• New example + API clean up by @pearsonkyle in #1234
• Release EXOTIC 3.3.0 by @jpl-jengelke in #1233

Full Changelog: 3.2.4...3.3.0