Add HackerOne API to Security

Co-authored-by: Matheus Felipe <50463866+matheusfelipeog@users.noreply.github.com>

Co-authored-by: Matheus Felipe <50463866+matheusfelipeog@users.noreply.github.com>

Co-authored-by: Matheus Felipe <50463866+matheusfelipeog@users.noreply.github.com>

Although there is already an heroku based keyless unofficial APOD API. Here adding an offcial API which requires APIKey.

Signed-off-by: Florian BOUILLON <florian.bouillon@delta-wings.net>

Add openAFRICA API to Open Data

Add Tyk API to Development

Squash

Co-Authored-By: Matheus Felipe <50463866+matheusfelipeog@users.noreply.github.com>

Barter.vg is a website to trade your spare game serial codes. However, it also provides a lot of data about games, bundles and more.

This API is inactive.

resolve #1860

Added a link to Entur's apis and datasets, providing public transport data for Norway.

Co-authored-by: Marek Dano <marekdano@users.noreply.github.com>

as suggested, it is in private beta

Add OpenSky Network API to Transportation

Update url for "Salesfly PDF" API