move payload length info decoder/encoder into dedicated file #1546

	name: lint

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	golangci-lint:
	runs-on: ubuntu-20.04

	steps:
	- uses: actions/checkout@v2

	- uses: actions/setup-go@v3
	with:
	go-version: "1.19"

	- uses: golangci/golangci-lint-action@v3
	with:
	version: v1.52.2

	go-mod-tidy:
	runs-on: ubuntu-20.04

	steps:
	- uses: actions/checkout@v2

	- uses: actions/setup-go@v2
	with:
	go-version: "1.20"

	- run: \|
	go mod tidy
	git diff --exit-code

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