update pyproject.toml to include description and python version

if [[ -z "${DEBUG}" ]]; then
  cap files location local var/data --default
  curl -XDELETE http://localhost:9200/_all
fi

fixed PyPI description (README.rst needed)

general updates

* added exception type for empty string
* updated checks in algorithms
* updated tests
* moved to new flit publishing method using pyproject.toml

Added Levenshtein, Hamming distance, removed half-done algorithms.

Updated README with instructions of use.
Added the skeleton for DaitchMokotoff.

Algorithm implementation:
* Added Soundex, Fuzzy Soundex, Metaphone, Lein, MRA.
* Added tests for every algorithm.
* Updated Licence.
* Added and tested some utils.

First commit.