Adding a docs/requirements.txt for our pip/viritualenv users.
Adding a docs/requirements.txt for our pip/viritualenv users.

TheTypoMaster/evennia,titeuf87/evennia,mrkulk/text-world,titeuf87/evennia,shollen/evennia,mrkulk/text-world,feend78/evennia,titeuf87/evennia,jamesbeebop/evennia,feend78/evennia,ergodicbreak/evennia,shollen/evennia,ypwalter/evennia,ypwalter/evennia,feend78/evennia,ypwalter/evennia,TheTypoMaster/evennia,titeuf87/evennia,TheTypoMaster/evennia,feend78/evennia,emergebtc/evennia,emergebtc/evennia,ergodicbreak/evennia,ergodicbreak/evennia,mrkulk/text-world,emergebtc/evennia,jamesbeebop/evennia,jamesbeebop/evennia,mrkulk/text-world