Add light and dark theming #117

	name: Build and Push Docker Image for Pull Request Testing

	on:
	pull_request:

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: jordan-dalby/bytestash-dev

	jobs:
	docker:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: jordan-dalby
	password: ${{ secrets.DOCKER_PAT }}

	- name: Set Docker tag with PR number
	id: docker_tag
	run: echo "TAG=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:pr-${{ github.event.pull_request.number }}" >> $GITHUB_ENV

	- name: Set up QEMU for cross-platform builds
	uses: docker/setup-qemu-action@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	with:
	install: true

	- name: Build and Push Docker image for Testing
	uses: docker/build-push-action@v5
	with:
	context: .
	push: true
	platforms: linux/amd64
	tags: ${{ env.TAG }}

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