Creating basic legal notices / handling copyright information

This tasks is subdivided in 3 parts

Storing information

• Adapt data model : should allow very long texts

Ingesting information

• Adapt UI
• Adapt API
• Adapt importers (internal)
• Adapt importers (external)

Displaying information

• Display on component page
• Generate notice (UI)
• Generate notice (API)
• Export as SPDX cf. #414
• Export as CSV / JSON