Documentation/tictactoe (#2)

* chore: documenting the functions

* fix: MakeIterator is from the game package

* chore: fix formatting directive

* chore: fix formatting in the code for clarity

* chore: documentation for Config

* chore: doc

* chore(wip): explanation

* chore: move those packages into internal as they are not used

* chore: doc

* chore: typos

* chore: more README

* chore: replace tabs

* feat: inference process

* chore: add the SwtichToInference step

feat: add go modules