feat: add sealed bid auction example #159

	name: Formatting Check
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	fmt:
	name: Formatting
	runs-on: ubuntu-24.04
	steps:
	- uses: actions/checkout@v4
	- uses: ./.github/actions/setup/

	- uses: actions-rs/toolchain@v1
	with:
	override: true
	components: rustfmt
	toolchain: nightly
	- run: rustup update

	# Find all example directories and their Cargo.lock files
	- name: Find example directories
	id: find-examples
	run: \|
	echo "examples=$(find . -type f -name "Anchor.toml" -exec dirname {} \; \| jq -R -s -c 'split("\n")[:-1]')" >> $GITHUB_OUTPUT
	echo "cargo_locks=$(find . -type f -name "Cargo.lock" \| jq -R -s -c 'split("\n")[:-1]')" >> $GITHUB_OUTPUT

	# Check formatting on each example
	- name: Check formatting
	run: \|
	EXAMPLES=$(echo '${{ steps.find-examples.outputs.examples }}' \| jq -r '.[]')
	for example in $EXAMPLES; do
	echo "Checking formatting in $example"
	cd $example
	cargo +nightly fmt --all --check
	cd $GITHUB_WORKSPACE
	done

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