v2.0.0

What's Changed

• updated model diagram and removed references to KH03 and theatres data by @yiwen-h in #57
• 56 number of mitigators by @yiwen-h in #58
• Updates 2.0 by @yiwen-h in #61
• data log added and 2.0 information added by @yiwen-h in #59
• updated waterfall explanation with worked example by @yiwen-h in #64

Full Changelog: v1.2.1...v2.0.0