feat: add monster component and a monster in each room

feat: by default, keep the mesh not renderable so the map doesn't sho…

…w on first render

feat: make the already explored tile in wireframe if it's out of FOV

feat: track if a tile has been viewed/explored and let it visible

feat: add some FOV logic

feat: add turn based logic

chore: remove some logging and TODO/FIXME that don't make sense anymore

feat: add the corridor between rooms

feat: handle multiple rooms

feat: handle collision with walls