Add first test for encoder code. #7

	name: test

	on:
	push:
	branches: [ master ]
	paths:
	- '.github/workflows/test.yml'
	- '**.go'
	- 'go.*'
	pull_request:
	branches: [ master ]
	paths:
	- '.github/workflows/test.yml'
	- '**.go'
	- 'go.*'

	permissions:
	contents: read

	jobs:
	go:
	strategy:
	matrix:
	go-version:
	- "1.21"
	- "1.22"
	- "1.23"
	runs-on: ubuntu-24.04
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-go@v5
	with:
	go-version: ${{ matrix.go-version }}

	- name: Install dependencies
	run: \|
	sudo apt-get -y update
	sudo apt-get -y install libheif-dev

	- name: Run tests
	run: \|
	go test -v ./...

Provide feedback