add instantaneous stats for each session

[hanhou]

• [ ] Local foraging efficiency
• [ ] Local bias
• [ ] Local motivation level
  • [ ] finished ratio versus normalized time
  • [ ] finished ratio versus number of trials / cumulative reward in a session
• [ ] related to https://github.com/AllenNeuralDynamics/aind-foraging-behavior-bonsai-basic/issues/22
• [ ] related to https://github.com/AllenNeuralDynamics/aind-foraging-behavior-bonsai-basic/issues/23

[hanhou]

• related to https://github.com/AllenNeuralDynamics/aind-foraging-behavior-bonsai-basic/issues/22
• related to https://github.com/AllenNeuralDynamics/aind-foraging-behavior-bonsai-basic/issues/23