Vedro-allure-reporter

- Add `project_name` config param [8](https://github.com/vedro-universe/vedro-allure-reporter/pull/8)
- Fix `testCaseId` generation [8](https://github.com/vedro-universe/vedro-allure-reporter/pull/8)

- Fix postponed step attachment [6](https://github.com/vedro-universe/vedro-allure-reporter/pull/6)

- Add scenario allure labels [5](https://github.com/vedro-universe/vedro-allure-reporter/pull/5)

- Add attachments [4](https://github.com/vedro-universe/vedro-allure-reporter/pull/4)
- Param `--allure-report-dir` is now optional

- Fix: send only skipped by user

- Add tag attach feature [3](https://github.com/vedro-universe/vedro-allure-reporter/pull/3)