Binner v2.5.6

Binner public release

What's Changed

• Refactored appsettings.json configuration to suppport Docker containers more easily, by @replaysMike in #194
• Fixes #191 - "Mounting Type" Error. Fixes an issue when DigiKey returns multiple mounting types for a single part. Also a fix for Quantity not updating correctly.

Full Changelog: v2.5.5...v2.5.6