docs: Explain Templier diffs from templ watch #15

	on: [push, pull_request]
	name: CI
	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- name: Install Go 1.22
	uses: actions/setup-go@v4
	with:
	go-version: "1.22"
	check-latest: true
	- name: Checkout repository
	uses: actions/checkout@v3

	# Test
	- name: Test
	run: go test -v -race ./...
	- name: Calculate coverage
	run: go test -v -covermode=count -coverprofile=coverage.out
	- name: Convert coverage.out to coverage.lcov
	uses: jandelgado/[email protected]
	- name: Coveralls
	uses: coverallsapp/github-action@master
	with:
	github-token: ${{ secrets.github_token }}
	path-to-lcov: coverage.lcov
	- name: Run go vet
	continue-on-error: true
	run: go vet ./...

	# Make sure templ generate was executed before commit
	- name: Generate templates
	run: go run github.com/a-h/templ/cmd/templ generate
	- name: Check file changes after templ generate
	run: \|
	git diff --exit-code
	id: diff_files_after_templ_generate
	continue-on-error: true
	- name: Fail if changes are detected
	if: steps.diff_files_after_templ_generate.outcome == 'failure'
	run: \|
	echo "Detected uncommitted changes after running templ generate." \
	"Please regenerate .templ templates and commit changes." && exit 1

	# Try compile
	- name: Compile
	run: go build -o /dev/null .

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