Merge pull request #51 from Rutherther/feat/easy-api

Add easy apis for various things

feat(game): add inventory api

fix(game): remove trailing spaces in position

feat(game): add position operators

Merge pull request #8 from Rutherther/game-objects

Game objects

feat(game): add basic entity and map data

feat: add helper data records

chore: move data classes to correct namespaces