Implement a basic version of data generator

[Bardin08]

This is a very basic (naive) implementation with many uncompleted aspects like constraints handling and using providers, which require additional parameters.

Newcomings with this PR:

• Contracts for all data generation modules.
• Sql Script Generator.
• Data Generation according to the scheme (with FKs).
• Using Bogus as a data generator.
• Implement dynamic bogus usage strategy. New generators will be available by default if they are added to the Bogus.

[sonarcloud]

Quality Gate failed

Failed conditions
0.0% Coverage on New Code (required ≥ 80%)

See analysis details on SonarCloud

[Bardin08]

Further work will be completed in the scope of #26, #27