Fast-alphashape

Feature
* Perform a few array operations in parallel ([`542f2c9`](https://github.com/mblackgeo/fast-alphashape/commit/542f2c9f06b0dcae19e87b04100b24aad14fbeab))
* Calculate alpashape edges in parallel ([`422cc4c`](https://github.com/mblackgeo/fast-alphashape/commit/422cc4c5df1a54b9760538827aa74ae27c090c7a))
* Support shapely and geopandas inputs ([`2daaf22`](https://github.com/mblackgeo/fast-alphashape/commit/2daaf22b91b3ab12f65488b8907f628a3231f35f))

Documentation
* Add note regarding alpha status ([`0688095`](https://github.com/mblackgeo/fast-alphashape/commit/068809582a938e3c26518e9754140ee6bd96ce0e))

Performance
* Add rust and python benchmarks ([`db35361`](https://github.com/mblackgeo/fast-alphashape/commit/db35361958e8d9e395640359389145a6ce8bfa2e))

Feature
* Add basic python interface ([`b6cea4b`](https://github.com/mblackgeo/fast-alphashape/commit/b6cea4befd6da2c04750331414b8a36bc304d202))
* Implement main alpha shape algorithm ([`9969278`](https://github.com/mblackgeo/fast-alphashape/commit/99692788ad25d4d9a5eb6c673218fd9570d4a6f3))
* Return i32 from alpha simplices rather than f64 ([`7521871`](https://github.com/mblackgeo/fast-alphashape/commit/7521871219a47c7c12a3dd8104f158a98cb36131))
* Add alpha simplices function ([`b525159`](https://github.com/mblackgeo/fast-alphashape/commit/b52515991c96d74735248faad39587bec3a0a0a4))
* Add circumradius function ([`7021383`](https://github.com/mblackgeo/fast-alphashape/commit/70213837b0252c78d62e30a255803524c916afdc))
* Add circumcentre function ([`a0e9deb`](https://github.com/mblackgeo/fast-alphashape/commit/a0e9deb2b97c9219a45515dc9b19b5129f18b057))
* Work in progress on circumcentre function ([`668b82c`](https://github.com/mblackgeo/fast-alphashape/commit/668b82c0c6cabf44e6b88cd29e7dc4334154572f))
* Add intial package wireframe using maturin ([`ebd996a`](https://github.com/mblackgeo/fast-alphashape/commit/ebd996ac3f5bab45681bb68c2f12572ac9b63b11))

Documentation
* Populate README with installation, quick start, development, and credits ([`ac890cf`](https://github.com/mblackgeo/fast-alphashape/commit/ac890cf29f337c895282ef374fe1e5aa8f69b300))