Add capability to create and store QR codes in Azure Blob Storage and view in URL Manager

[harrykimpel]

This pull request includes several important changes to the project, including updates to GitHub Actions workflows, enhancements to the ShortUrlEntity class, and the addition of a new function for generating QR codes. Below is a summary of the most significant changes:

Workflow Updates:

• Renamed .github/workflows/azure-static-web-apps-kind-ocean-0b86fe110.yml to .github/workflows/azure-static-web-apps-witty-mushroom-0bd88d10f.yml and updated the azure_static_web_apps_api_token reference. Added steps for installing OIDC client and obtaining ID token. [1] [2]
• Added a new workflow file .github/workflows/main_kmpl-url-shortener.yml for building and deploying a .NET Core app to Azure Function App.

Code Enhancements:

• Added QrCodeUrl property to ShortUrlEntity class and updated constructors and methods to handle QR code URLs. [1] [2] [3]
• Added QrCode property to ShortResponse class and updated constructors to include QR code URLs. [1] [2]
• Added BlobStorageConnectionString and BlobStorageContainer properties to ShortenerSettings class.

New Functionality:

• Added a new function UrlQRCodeCreate to generate QR codes for URLs and save them to Azure Blob Storage.
• Updated UrlCreate function to generate and store QR codes for new short URLs. [1] [2] [3] [4]

Miscellaneous:

• Updated README.md to remove unnecessary blank lines and improve formatting. [1] [2] [3]
• Added global.json file to specify the .NET SDK version.
• Updated Cloud5mins.ShortenerTools.TinyBlazorAdmin.csproj to use newer versions of Syncfusion Blazor packages.
• Added Azure.Storage.Blobs package reference to Cloud5mins.ShortenerTools.Functions.csproj.

These changes enhance the project's functionality, improve deployment processes, and ensure better code organization and maintainability.