B010 Schema creation for Annotation Project

[Marco-374]

Precondition:

• User created new Annotation Project

Content:

• User chooses schema for created annotation project
• Store selected mention and relation schema in database
• Store selected schema constraints (allowed mentions per relation) if selected

Postcondition: -

Acceptance Criteria:

• Endpoint to create schema
• Schema is stored in database
• Schema constraints are stored in database