3.0.0 Simplifies Database Access Abstractions

Light.SharedCore 3.0.0

• Overhaul of DatabaseAccessAbstractions: only ISession is left, all other interfaces were removed

What's Changed

• Overhaul DatabaseAccessAbstractions by @feO2x in #5
• Code style 2025 by @feO2x in #6
• Release v3.0.0 by @feO2x in #7

Full Changelog: v2.0.0...v3.0.0