sync 8.3.2021

[ligi]

• ENS text records for github and twitter

[DeFiYaco]

• postgres deployment
• repo structure, backward compatibility
• monitor container bug

[FabijanC]

• Monitor upgrade
• Alternative approach to contracts with immutable variables (already mentioned, not thoroughly):
  • transaction holds creation data (creation bytecode + constructor arguments) -> actual runtime bytecode

[edisinovcic]

• Sourcify hardware requirements

[edisinovcic]

• Remove old repository data