Moving API definitions

apps/bmp-streamer/bmp-streamer

apps/bmp-streamer/client/client

apps/bmp-streamer/client/main.go

apps/bmp-streamer/main.go

apps/bmp-streamer/pkg/apiserver/server.go

apps/bmp-streamer/pkg/bmpstreamer/BUILD.bazel

apps/bmp-streamer/pkg/bmpstreamer/bmp.pb.go

apps/bmp-streamer/pkg/bmpstreamer/bmp.proto

net/api/net.proto

net/ip.go

net/prefix.go

route/api/route.pb.go

route/api/route.proto

route/bgp_path.go

route/bgp_path_test.go

route/path.go

route/route.go

route/static.go

route/static_test.go