start writeup on locking example for Otto
start writeup on locking example for Otto

Metacello/metacello,StephanEggermont/metacello-work,demarey/metacello-work,krono/metacello-work,pharo-project/pharo-metacello,seandenigris/metacello-work,krono/metacello-work,dalehenrich/metacello-work,dalehenrich/metacello-work,pharo-project/pharo-metacello,seandenigris/metacello-work,demarey/metacello-work,StephanEggermont/metacello-work