added Maze example
added Maze example

tgdavies/codeworld,three/codeworld,Ye-Yong-Chi/codeworld,google/codeworld,stefan-j/codeworld,parvmor/codeworld,venkat24/codeworld,three/codeworld,stefan-j/codeworld,nomeata/codeworld,google/codeworld,d191562687/codeworld,pranjaltale16/codeworld,alphalambda/codeworld,xwysp/codeworld,pranjaltale16/codeworld,three/codeworld,venkat24/codeworld,parvmor/codeworld,nomeata/codeworld,venkat24/codeworld,xwysp/codeworld,alphalambda/codeworld,pranjaltale16/codeworld,stefan-j/codeworld,d191562687/codeworld,Ye-Yong-Chi/codeworld,google/codeworld,tgdavies/codeworld,alphalambda/codeworld,nomeata/codeworld,xwysp/codeworld,tgdavies/codeworld,d191562687/codeworld,parvmor/codeworld,Ye-Yong-Chi/codeworld