project init

signal/README.md

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+This is a Wiretrustee signal-exchange server and client library to exchange connection information between Wiretrustee Trusted Device and Wiretrustee Hub
+
+The project uses gRPC library and defines service in protobuf file located in:
+ ```proto/signal_exchange.proto```
+ 
+ To build the project you have to do the following things.
+
+Install protobuf version 3 (by default v3 is installed on ubuntu 20.04. On previous versions it is proto 2):
+ ```
+sudo apt install protoc-gen-go
+sudo apt install golang-goprotobuf-dev
+ ```
+ 
+Generate gRPC code:
+ ```
+ protoc -I proto/ proto/signalexchange.proto --go_out=plugins=grpc:proto
+
+ ```