feat: implement grpc server in node agent

In this commit, you can find the implementation of the node agent grpc server.
This server handle scheduler request by using the workload_manager library (node agent internal crate).

Signed-off-by: esteban <esteban.baron@etu.umontpellier.fr>

Author: EstebanBAR0N

Cargo.lock

@@ -7,6 +7,7 @@ edition = "2021"
 
 [dependencies]
 proto = { path = "../proto" }
+workload_manager = { path = "./workload_manager" }
 node_manager = { path = "./node_manager" }
 network = { path = "../network" }
 tonic = "0.7.2"