Update factai_service.py

Update README

upgrade tensorflow to version 2.6

instrument ipv8 calls

add installing snet_cli and snet_sdk into requirements,

change localhost to demo.huggingface.io since service will run there,

fix line tab inconsistent problem

comment line with span since span is not defined error is occuring

add services's input parameters when returning service protobuf definition

add service's input parameters when returning service protobuf definition

save result on blockchain in background if tokenomics mode is off

export traces to jaeger

export traces to zipkin

pykanyerest

whendidit