GDPR Compliance

[ram-g-athreya]

Add new functionality highlighting changes in privacy policy to reflect GDPR compliance within the bot.

Resources:

1. http://www.uni-leipzig.de/en/service/privacy.html
2. https://support.google.com/analytics/answer/3379636?hl=en
3. https://chrome.google.com/webstore/detail/google-analytics-opt-out/fllaojicojecljbmefodhfapmkghcbnh?hl=en