Merge branch 'consul' into 'main'

examples/Leaf/input/config_go_consul.json

examples/Leaf/wiring/instances_consul.py

generators/core_addr_collector_visitor.go

generators/core_basic_deploy_visitor.go

generators/core_client_collector_visitor.go

generators/core_constants.go

generators/core_ir_extension.go

generators/core_main_visitor.go

generators/core_modifier.go

generators/core_print_visitor.go

generators/core_visitor.go

generators/netgen/core_net_interface.go

generators/netgen/plugin_grpc.go

generators/netgen/plugin_http_web.go

generators/netgen/plugin_thrift.go

generators/plugin_consul.go

generators/plugin_rpc.go

go.mod

go.sum

stdlib/choices/registry/consul.go