separate example stories into their own files

cc.tex

combat.tex

gm.tex

gods.tex

intro.tex

rules.tex

story/1-intro.tex

story/10-combat.tex

story/11-ram.tex

story/12-advanced.tex

story/13-morale.tex

story/14-run.tex

story/15-fatigue.tex

story/16-stories.tex

story/2-cc.tex

story/3-xp.tex

story/4-rolls.tex

story/5-resting.tex

story/6-team.tex

story/7-resisted.tex