Feat: started adding value tangle

main.go

packages/binary/marshalutil/marshalutil.bytes.go

packages/binary/marshalutil/marshalutil.go

packages/binary/marshalutil/marshalutil.int64.go

packages/binary/marshalutil/marshalutil.uint64.go

packages/binary/marshalutil/marshalutil_test.go

packages/binary/spammer/spammer.go

packages/binary/valuetangle/payload.go

packages/binary/valuetangle/payload_id.go

packages/binary/valuetangle/test/payload_test.go

packages/binary/valuetangle/transfer.go

packages/binary/valuetangle/transfer_id.go

plugins/tangle/plugin.go

plugins/webapi/spammer/plugin.go