Release version 0.3.1

New features:

• [FEA] Add CLI to handle git release and changelog creation programmatically via commit messages (#87)
• [FEA] Add formatting for multiline comments (#86)
• [FEA] Separate each ON join by newline (#80)

Bugfixes:

• [FIX] Semicolon / CREATE validation fails (#85)
• [FIX] Fields in ORDER BY in PARTITION BY with wrong indentation (#84)
• [FIX] View name is wrongly written uppercase in CREATE OR REPLACE VIEW my_view AS (#79)

Documentation:

• [DOC] Add docs for maintenance / refactoring (#89)
• [DOC] Update README (#82)
• [DOC] Add hint for contributors to install the package in editable mode for the CLI to incorporate changes in code basis (#81)

Refactoring / Maintenance:

• [MNT] Refactor / Simplify code basis, remove deprecated functions, adjust docs (#90)