Release v5.1.1

[inferrinizzard]

• restored itemCount setting for VScode extension

• added JSDocs for all files

• added conditional skips for Jest tests

  • added missing BigQuery, hive from demo page language dropdown

• fixed bug with CASE and Inline Block interaction

• fixed bug with END not adding spacings before END

• fixed bug with CommaPosition.before when the line had no preceding whitespace

• fixed bug where AS in CAST functions would get deleted when AliasAs.never

• fixed bug where AS would get deleted in CTE definition when AliasAs.never