Fix warnings in npm publish.

Attempt to make TypeScript work in npm package.

Support rise/set search above ground level.

Calendar support for extreme year values.

Python type hints

HourAngle functions.

Updated Ecliptic to return ECL in all languages.

Fixed doc typos. JS HelioState user-defined stars.

I had a copy-n-paste typo in the `dec` parameters
for all of the DefineStar functions. Fixed it.

The TypeScript version of HelioState did not handle
user-defined stars. Added support there.

Fixed issues finding rise/set in polar regions.

Correctly export TypeScript types for npm/Deno.