[Finland] Add Helsinki Regional Transport Authority (HSL) P+R

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Documentation:

• About opendata in Helsinki Regional Transport Authority : paragraph "Park & Ride API"

HSL's Park & Ride information system API provides static and realtime information about Park & Ride in the Helsinki region. The data is maintained by municipalities and operators via a (Finnish) browser-based user interface p.hsl.fi. The data can be viewed by anybody via this website. The (English) API documentations can be found here. Further information : paikkatieto@hsl.fi

• The service can be found at (fi) https://p.hsl.fi/
• (en) https://p.hsl.fi/#/about-en

  HSL’s open data is licensed under the Creative Commons BY 4.0 International -license

The data hosted in this service is licensed under the CC BY 4.0 license.

https://github.com/HSLdevcom/parkandrideAPI

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• "zone métropolitaine d'Helsinki"
• "Les places de parking sont organisées par région"
• "Une place de parking peut appartenir à plus d'une zone"

List of operators : https://p.hsl.fi/#/operators -> many cities

https://p.hsl.fi/docs/index.html#_park_and_ride_with_a_navigator

(...) API user’s token. Operators can create API users and tokens for them through the user administration page.

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reuse : https://github.com/tas-man/parking-spaces/blob/e0549852298f8f66dc06a10d0e68267a2118585a/api/utils/axios-conf.js

[Manu1400]

see https://github.com/HSLdevcom/parkandrideAPI

[Manu1400]

=> P+R and normal parkings