Daily Deeds

This release introduces the /dailydeeds slash command.
Deeds are periodically fetched from the SoT event hub and stored in the database. On request the deeds that match the current time are served from the DB

Noteworthy changes

• 15b1894 fixes ineffective assignments
• f5e13b1, 0325b82, da4b18a and 27783b6 bring the first part of documentation to the README.md
• 6fa515f Introduces the daily deeds (See #8)