introduce Raw Data Record (signal for message database)

[mdabrowski1990]

Requires

#6

Description

As a user, I want to have Data Record that just contains raw value without any meaning or mapping.

Testing

• unit tests
• review

Acceptance criteria

• Raw Data Record class is defined
  • inherits after Abstract Data Record class
  • contains just bit length and name attributes

[mdabrowski1990]

#15 must be completed prior this one