Added US census data api

This isn't an API but rather the site where they are collated by the UK
government.

I've added the data.gov.uk site as a separate entry for clarity (because
of the number of similar sites from other countries). This site is also
linked to from the API catalogue site.

Update Transport for London API Authentication

Added Pantry - Free JSON Storage API

Added EA Sports FIFA API

Added Geoapify to the Geocoding list

Removed .com from wecantrack.com

Fixes the issue #1307

The links https://plino.herokuapp.com and https://sentim-api.herokuapp.com were broken

The links https://plino.herokuapp.com and https://sentim-api.herokuapp.com were broken

Add Hong Kong GeoData API

Added Tisane and corrected a typo in Semantria

Add Bible API in Books

Add Vampire Diaries API

Added GitGuardian API

Add Open Government of Thailand API

Mozilla Observatory ordered alphabetically

Add host.io API

Add T.LY Link Shortener

Update Discord link from discordapp.com to discord.com

Randommer.Io Data Generator