Grscheller.boring-math

* Some minor additions
* consistency changes across all grscheller namespace PyPI repos

* removed docs from repo
* docs for all grscheller namespace projects maintained here
* https://grscheller.github.io/grscheller-pypi-namespace-docs/

* updated to use grscheller.fp v1.0.0
* pytest infrastructure improvements
* updated pyproject.toml
* was lagging behind other grscheller namespace packages

* caught missing dependency in pyproject.toml
* grscheller.fp >= 0.4.0, < 0.5"

* preparing to add more composite number tests
* primality tests based on Wilson's theorem
* becomes too slow when calculation starts using BigInts
* added number theory symbols functions
* implemented: `legendre_symbol(a, p)`
* implemented: `jacobi_symbol(a, n)`

* re-implemented function primes
* no longer using sieve of Eratosthenes algorithm
* now using Wilson's theorem and incremental factorial generation