Ek-scraper

Changed

* Raise specific error when we receive a non-`text/html` response. This can indicate an error or a block of the IP
address

Changed

* Remove unnecessary YAML front-matter from README file

> **This version introduces a breaking change to the data store format**

Added

* Add support for [ntfy.sh](https://ntfy.sh) as a notification service (`5707d5b`)
* Add `--temp-data-store` CLI flag to run with a temporary, empty data-store

Changed

* Use [pydantic](https://pydantic.dev) for data validation and serialization (`8d28907`)
* Update runtime dependencies to latest versions
* *lxml* from 4.9.2 to 4.9.4
* *aiohttp* from 3.8.4 to 3.9.1

Changed

* Switch to poetry for build and dependency management (`b469870`)

Fixed

* Fix parsing of the ad location from HTML (`6139b27`)
* Fix error message if no command is provided (`f340a24`)

Fixed

* Fix import in *\_\_main\_\_.py* (`8c5b291`)
* Fix price extraction from aditem HTML (`9afff4d`)

Fixed

* Fix imports in other modules (`18c17d0`)