Solutions to Issues #31, #48 and Additional Code Refactoring

[mreyeros]

• Introduced Blazored.FluentValidation for handling Validation of ShortUrlEntity on Edits or Adds
• Introduced IStorageTableHelper to inject StorageTableHelper via Dependency Injection for all Azure Functions removing code duplication
• Modified ShortUrlEntity Clicks definition from int to Dictionary<string, int> to store click counts by country
• Intriduced some helpers and extensions methods to reduce code duplication
• Introduced EntityJsonPropertyConverter to handle serialization/deserialization of ShortUrlEntity Clicks property
• Introduced UserIpLocationService to call the https://freegeoip.app/ service for obtaining user click data (i.e. country of origin)
• Updated all azure functions to inject IStorageTableHelper to reduce code duplication and coupling to StorageTableHelper implementation

[FBoucher]

Wow very nice work @mreyeros !!!

Let's plan some session to test all those super cool new features.

[mreyeros]

:) You are welcome Frank, absolutely lets do it!

[DavidTCarpenters]

Looking good

[DavidTCarpenters]

Needs the lastest from branch vnext merging into and conflicts resolved

[FBoucher]

FYI @DavidTCarpenters I started the v3 branch to use the Identity of SWA and really simplify the deployment.