GHA: Add sanity checks #1

	name: "Sanity checks"
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	jobs:
	build-docker-image:
	runs-on: 'ubuntu-latest'
	steps:
	- name: 'Checkout code'
	uses: 'actions/checkout@v4'
	- name: 'Build Docker image'
	run: \|
	set -euxo pipefail
	# Use a fake debian package for media SDK
	docker build -tag ubuntu:insta360 --build-arg="MEDIASDK_UBUNTU_DEB=hello_2.10-3_amd64.deb" .
	- name: 'Run Docker container'
	run: \|
	set -euxo pipefail
	# Run the container with a volume mount, executing the fake debian package
	docker run -v "$(pwd)/datadir":/root -it ubuntu:insta360 'hello'

	shellcheck:
	runs-on: 'ubuntu-latest'
	steps:
	- name: 'Checkout code'
	uses: 'actions/checkout@v4'
	- name: 'Install shellcheck'
	run: \|
	set -euxo pipefail
	sudo apt-get install shellcheck
	- name: 'Run shellcheck'
	run: \|
	set -euxo pipefail
	cd ${{ github.workspace }}/
	for f in $(find scripts/ -type f); do
	if file "$f" \| grep "shell script" &>/dev/null; then
	shellcheck "$f"
	fi
	done

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