Add support for optional client IP address passthrough to runtime Satori client.

CHANGELOG.md

go.mod

go.sum

internal/satori/satori.go

server/api_test.go

server/match_common_test.go

server/runtime_javascript_nakama.go

server/runtime_lua_nakama.go

server/storage_index_test.go

...or/github.com/heroiclabs/nakama-common/runtime/runtime.go

vendor/modules.txt