Tagged release v3.2.1

0bf2455 Add readOnly parameter to valueAddedTaxIncluded field in Value model for renewables procedure
14f976e Remove readOnly parameter from valueAddedTaxIncluded field in base Value model
0d0c299 Add role to question import data
7c690ca Show bids on cancelled state
bec3a79 Change bid status to deleted if procedure was cancelled
021d13a Update tests according to the refactored swagger generator
279a749 Update endpoint swagger descriptions
85e4146 Update specs
c9df8f7 Update models usage
511b3cb Restructure renewables schema according to the base models
19fdee8 Add base models
ecccd24 Move base models to base module
6b9514d Refactor swagger generator to proccess base models