Tagged release v0.3.0

f973e30 Move contractStatus and contractMethod to dictionaries
4e0db03 Added classifiers for contracts
40422f2 Update tests for dgf dictionaries
afa5a4e Add dgf specific dictionaries
901a683 Update constructionTechnology.yaml content
489cfc6 Update tests
2a3b6b2 Upate dictionaries and classifiers scheme mapping
82fd1f4 Update dictionaries
5c0104f Update classifiers
f9c9561 Update common ditionaries content