v0.3.0

What's Changed

• fix(validate): Move brainpool validation away from openSSL by @jbeyerstedt in #5
• chore: Remove openssl dependency checks by @jbeyerstedt in #8
• docs(validate): Follow clippy recommendation by @jbeyerstedt in #9
• chore(deps): Pin more dependencies to compile pre-release more reliably by @jbeyerstedt in #12
• feat(ci): Add publishing workflow, create changelog by @jbeyerstedt in #11
• docs: Refactor and extend rust docs by @jbeyerstedt in #13
• refactor: Move message types from standard to own module by @jbeyerstedt in #14
• feat(Packet): Add more getters by @jbeyerstedt in #16
• fix(docs): Use correct link syntax in readme.md by @jbeyerstedt in #17
• chore(deps): Update crypto dependencies by @jbeyerstedt in #19
• feat(en302636_4_1): Build Lifetime from milliseconds by @jbeyerstedt in #20
• feat(en302636_4_1): Add convenience constructors by @jbeyerstedt in #21
• feat(Packet): Add getter for the payload by @jbeyerstedt in #22
• fix(Packet): Add lifetime specifier to payload getters by @jbeyerstedt in #23
• feat(en302636_4_1): Implement Display trait for Error type by @jbeyerstedt in #24
• feat(CommonHeader): Reduce flags to used value by @jbeyerstedt in #25

Full Changelog: v0.2.1...v0.3.0