Add Licence history models and handling save history
Add Licence history view
Add Licence history migration
Merge branch 'develop' of https://github.com/allegro/ralph_assets into licence-history

Conflicts:
	src/ralph_assets/views_sam.py
Merge branch 'develop' of https://github.com/allegro/ralph_assets into licence-history
Fix import
Review changes
Merge pull request #215 from quamilek/licence-history

Add Licence history