Prepare release: v0.2.7 (#119)

Support no_std (#105)

Revamp configuration and add xchacha20-poly1305 backend (#104)

Co-authored-by: drp4rad0x <[email protected]>

Add more configuration (#103)

Prepare 0.2.3 (#92)

* Prepare release

* Update README.md

Update .rustfmt.toml (#77)

update release notes (#66)

fix toml keyword (#55)

add doc (#43)

Update README.md (#31)