named codeblocks and better coloring #259

	name: check examples

	on:
	push:
	branches:
	- main
	paths:
	- examples/**
	- docs_src/**
	- src/**
	- .github/**
	- lib.rs
	- Cargo.toml

	pull_request:
	types: [opened, synchronize, reopened, ready_for_review]
	branches:
	- main
	paths:
	- examples/**
	- docs_src/**
	- src/**
	- .github/**
	- lib.rs
	- Cargo.toml

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	check:
	runs-on: ubuntu-latest
	env:
	CARGO_INCREMENTAL: 1
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	with:
	cache-all-crates: "true"
	cache-on-failure: "true"
	- run: sudo apt-get update
	- run: sudo apt install libwebkit2gtk-4.1-dev libgtk-3-dev libayatana-appindicator3-dev
	- name: Check
	run: cargo check --features doc_test

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