Add read-mes

[jan-grzybek-ampere]

Elements:

• ref accuracy for every precision / framework
• instructions on downloading models + datasets, help user get through the process as much as possible
• summary / comparison of models (their acc + perf at given precision) trained on the same task at eg. model_zoo/cv/classification level
• change DLS to AIO, OnSpecta to Ampere
• info on model's limitations such as max batch size supported
• some visualizations of task, output, etc? gif's, images, strings with examples for NLP ... let's make thing visually appealing :P

[jan-grzybek-ampere]

@jangrzybek @MarcelWilnicki @dkupnicki to split this equally among each other. Please write in comment here what models you pick so that we don't duplicate.