LUN-396: Create own vocabulary screen

[jira-to-github-migrator[bot]]

Stefanie Metzger - 11.8.2022, 10:50:20

• Screen should be created and look like in the designs
• article dropdown should work  and if non-selected make save-button disabled
• upload audio and image should look like in the designs and have no functionallity 

https://www.figma.com/file/4bW33nU6zZ6ySeTqrM37Jq/Lunes_eigene-Vokabeln-erstellen?node-id=0%3A1

Environment: - Linked issues:

• Blocks: LUN-399
• Blocks: LUN-400
• Blocks: LUN-419
• Blocks: LUN-422