added coincap to cryptocurrency section

Add isEven API

Added Crossref rest api under books

Add: Open Government, Saudi Arabia

Add Hyrule compendium

Added ColourLovers API

Add cataas api

Added LiteLink for URL shorteners

Note:
    The user deleted the fork from this project, so it will not be possible to resolve the conflict for the merger.

Close #1281

Added Hexabin API

Added Sentium API - Issue #1590

Removed inactive Linkedin API

Added Kaggle API

Add Art Institute of Chicago API

Add GoFile API

Re: Added Open Source Bhagavad Gita API (#1527)

As per requested @marekdano

add dummy products api

Add Carbon Interface API

added openrouteservice.org

Adds Boston MBTA API to Transportation

Added SpotSense API information in geocoding section

Add Board Game Geek API

Added UK Government coronavirus API

Added hubblesite API

As requested by the reviewer PR updated in order to fix API duplication and missing https for hubblesite.

Added YTS API in Video Category

Add Twelve Data API (finance section)