feat(pubsub-open-telemetry): add quickstart example #356

	---
	name: style

	on:
	push:
	branches: [ main ]
	pull_request:

	jobs:
	formatting:
	name: formatting
	runs-on: ubuntu-22.04
	steps:
	- name: install cmake-format
	run: pip install cmakelang==0.6.13
	- uses: actions/checkout@v4
	- name: clang-format
	run: git ls-files -z \| grep -zE '\.(cc\|h)$' \| xargs -P 2 -n 50 -0 clang-format -i
	- name: cmake-format
	run: >
	git ls-files -z \| grep -zE '((^\|/)CMakeLists\.txt\|\.cmake)$' \|
	xargs -P 2 -n 1 -0 /home/runner/.local/bin/cmake-format -i
	- name: check-diff
	run: git diff --ignore-submodules=all --color --exit-code .

Provide feedback