yak_math 0.2.0+5

replicas of flutter `non-null-only` with `const` constructor

0.2.0+5

• added extension on Iterable emptyOnNull
• added extension on double roundToPrecision
• readme updated
• migrated to null safety
• TODO implement alignment geometry
• bump dependencies

0.1.0

• added coverage:ignore-line to ignore one line to super
• set up for melos and coverage
• added effective_dart to dev_dependencies
• updated test
• updated readme
• updated example