third-party/

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Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Some third-party libraries are referenced here, but they all have some changes

add file pool.go

Path	Synopsis
websocket Package websocket implements the WebSocket protocol defined in RFC 6455.	Package websocket implements the WebSocket protocol defined in RFC 6455.