Recipe-scrapers

- adds hellofresh.ie 721
- adds `cook_time` and `prep_time` methods in emmikochteinfach, eatsmarter and chefkoch scrapers 718
- adds support for biancazapatka.com 589
- adds `get_supported_urls` and `scraper_exists_for` package methods 723
- adds `.to_json` method for scraper instances 621
- codacy [scanning](https://app.codacy.com/gh/hhursev/recipe-scrapers/dashboard)

Credits: soniccinos derteufelqwe yellelieder bjrne vabene1111

Added:

- Rutgerbakt (716)

Thanks Loesvandenbiggelaar!

Added:
- tox4 compatibility (704)
- development dependencies: `types-beautifulsoup4`, `types-requests packages`
- CodeQL scanning

Changes:
- typo fixup: 'robotsexclusion' -> 'robotexclusionrulesparser'
- mypy.ini reduction (633)
- typo fixup: double https (709)
- SchemaOrgFillPlugin: add 'category' to the list of supported fields (705)

Thanks hhursev VidVidex!

Adds support for:

- briceletbaklava.ch (697)

With credit to lacliq

Adds support for:

- Project Gezond (691)
- Sunset (690)

Thank you, brett NijeboerFrank!

Adds support for:
- 679 - `southerncastiron.com`
- 680 - `handletheheat.com`

Fixes:
- 661 - TypeError on `mob.co.uk`
- 687 - Site updates for `amazingribs.com`

Credits: brett jayaddison