[Organizer] Edit mock content to real content

[mesodiar]

1. Sudarat Chattanon

description: I'm a happiness software engineer who ♡ sciences, techs, mysteries, music and dogs.
fb: https://www.facebook.com/gatukgl
twitter: https://twitter.com/gatukgl
Avatar: Use from facebook

2. Georgi Ker

description: Conference Lead. PyConTH2020, Organizer RubyConfTH, ThaiPy, Bangkok.rb
fb: https://www.facebook.com/geonativejar
twitter: https://twitter.com/georgically1
Avatar: use from twitter

[deezell1002]

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