WIP functional specs for generating valid board
Functional tests on game.
Generates first row. Starts several classes and specs.
WIP refactoring rowValuesGenerator and specs, adding ValueGenerator and specs
[#62280630] WIP, refactor of tests and game, add several new classes for new responsibilities.
Fixes typos.
WIP master view inheritance for template and render
WIP tests and code for GenerateButton,  BoardGenerator, inheritance for views