added some planning
added some planning

pietro909/PhysicsJS,aldeed/PhysicsJS,rohit765/PhysicsJS,griever989/PhysicsJS,Rawneed/PhysicsJS,Luwdo/PhysicsJS,eric-seekas/PhysicsJS,jpellerin/PhysicsJS,Luwdo/PhysicsJS,haithemaraissia/PhysicsJS,griever989/PhysicsJS,aldeed/PhysicsJS,Nayar/PhysicsJS,VANITAX/PhysicsJS,wellcaffeinated/PhysicsJS,pietro909/PhysicsJS,rohit765/PhysicsJS,Nayar/PhysicsJS,wellcaffeinated/PhysicsJS,eric-seekas/PhysicsJS,131/PhysicsJS,mcanthony/PhysicsJS,mcanthony/PhysicsJS,Rawneed/PhysicsJS,haithemaraissia/PhysicsJS,VANITAX/PhysicsJS,jpellerin/PhysicsJS