Added code for each example, and added a basic example showing the most basic usage #3

	name: Build & Test PR

	on:
	pull_request:
	branches: [ main ]

	env:
	DOTNET_VERSION: '8.0'

	jobs:
	build:
	name: Build & Test
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Setup DotNet
	uses: actions/setup-dotnet@v1
	with:
	dotnet-version: ${{ env.DOTNET_VERSION }}

	- name: Build
	run: dotnet build -c Release src/PinguApps.Blazor.QRCode/PinguApps.Blazor.QRCode.csproj

	- name: Test
	run: dotnet test -c Release src/PinguApps.Blazor.QRCode.Tests/

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