Add Woonnet Rijnmond parser

[ventilaar]

Related issue #53

POST https://www.woonnetrijnmond.nl/wsWoonnetRijnmond/WoningenModule/Service.asmx/getAanbod
Headers:

{'Content-Type': 'application/json; charset=utf-8', 'User-Agent': 'Hestia Bot'}

User Agent must not be the default requests agent, since Cloudflare will block it. Content type must be set as well or we get a 520 error
Data:

{"Velden": "id;straat;huisnummer;huisletter;huisnummertoevoeging;plaats;gebruik;kalehuur", "Filters": "", "Volgorde": "", "inschrijfnummerTekst": "-1", "pagina": 1, "paginaGrootte": 9999, "Filterlijst": "", "StatischeFilters": "gebruik!=cluster", "addAantalReacties": False}

[wtfloris]

This looks good, no comments

Checklist:

• Homes are written to database, filling address, city, price and url
• House number additions are handled properly
• URLs lead to the correct page
• Prices are rounded integers
• Scraper either gets all homes or sorts by "Newest first"

Running it in test for a few days before merging