2.1.0

Features

• feat: #7 / #13 add language support for English and German
• feat: #6 add export support for JSON and Excel
• feat: #15 integrate better logger system (winstonJS)

Bugfixes / Fixes

• test: #16 improved testing
• fix: login bug, was created in #7
• fix: #3 image cropper
• fix: #7 setup, create data folder if not exists
• fix: #7 image upload, respect configuration of data folder
• dist: #9 migrate to Angular7