Features
- MailCallback implementation [2](https://github.com/m1ka05/yasmon/pull/2) ([Michał Mika](https://github.com/m1ka05/yasmon/commit/c62e4531e3ba3c9f3441eb34892343ae357dfac7))
Continuous Integration
- fix env variables [3](https://github.com/m1ka05/yasmon/pull/3) ([Michał Mika](https://github.com/m1ka05/yasmon/commit/a1edf53d65022f7a54c0a8627eafde0cc63a1598))
- use Makefile for jobs [3](https://github.com/m1ka05/yasmon/pull/3) ([Michał Mika](https://github.com/m1ka05/yasmon/commit/a06bde01d3abf2506f43e3a04f536e2c539e5785))
- fix typo in env variables and docs build [4](https://github.com/m1ka05/yasmon/pull/4) ([Michał Mika](https://github.com/m1ka05/yasmon/commit/3c6cdf8fbb247f596c8e4c3c5521346601ff37eb))
- fix typo in env variables ([Michał Mika](https://github.com/m1ka05/yasmon/commit/23959912742010d6493a579c05a0e3ec4838c2ae))
Commits
- cc381ef: Bump version: 0.2.4 → 0.3.0 (Michał Mika)