Replace the `Fetcher` by `Container` and refactor media type sniffing #709

	name: Checks

	on:
	workflow_dispatch:
	push:
	branches: [ main, develop ]
	pull_request:

	jobs:
	build:
	name: Build and test
	runs-on: ubuntu-latest
	if: ${{ !github.event.pull_request.draft }}
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Set up JDK 17
	uses: actions/setup-java@v3
	with:
	java-version: '17'
	distribution: 'adopt'
	- name: Build
	run: ./gradlew clean build -x test -x ktlintMainSourceSetCheck
	- name: Test
	run: ./gradlew test --continue

	lint-kt:
	name: Lint Kotlin
	runs-on: macos-latest
	if: ${{ !github.event.pull_request.draft }}
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Set up JDK 17
	uses: actions/setup-java@v3
	with:
	java-version: '17'
	distribution: 'adopt'
	- name: Lint
	run: ./gradlew ktlintCheck

	lint-js:
	name: Lint JavaScript
	runs-on: macos-latest
	if: ${{ !github.event.pull_request.draft }}
	defaults:
	run:
	working-directory: readium/navigator
	env:
	scripts: ${{ 'src/main/assets/_scripts' }}
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Install dependencies
	run: yarn --cwd "$scripts" install --frozen-lockfile
	- name: Lint
	run: yarn --cwd "$scripts" run lint
	- name: Check formatting
	run: yarn --cwd "$scripts" run checkformat
	# FIXME: This suddenly stopped working even though the toolchain versions seem identical.
	# - name: Check if bundled scripts are up-to-date
	# run: \|
	# make scripts
	# git diff --exit-code --name-only src/main/assets/readium/scripts/*.js

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