v1.3.1: Bug Fixes & Improvements

Release Patch 1.3.1

### Enhancements & Bug Fixes
☆ Updated German translation, added Netherlands
☆ Image preview download & share feature
☆ Built-in application logs

✓ Improved authentication flow
✓ Crunchyroll link detection issues
✓ Notifications & Improved Job Scheduler
✓ Temporary authentication workaround for pre-lollipop devices