fix github actions, remove node 19

fix github actions, upgrade node version

fix comment and ts code hints

update readme

update readme

upgrade readme

upgrade version to 1.0.6

types: update generateRSAKeyPair to return promise

upgrade versin to 1.0.6

fix variadic params

update ci: remove node version 12.x

update docs: add development.md file

update ci

support typescrypt

update readme