.NET 6 (#32)

- Convert back-end to .NET 6
- Upgrade Giraffe, convert routing to endpoint style
- Refactor code to take advantage of F# advances

src/PrayerTracker.Tests/PrayerTracker.Tests.fsproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
@@ -15,9 +15,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Expecto" Version="8.13.1" />
+    <PackageReference Include="Expecto" Version="9.0.4" />
     <PackageReference Include="Expecto.VisualStudio.TestAdapter" Version="10.0.2" />
-    <PackageReference Include="NodaTime.Testing" Version="2.4.7" />
+    <PackageReference Include="NodaTime.Testing" Version="3.0.5" />
   </ItemGroup>
 
   <ItemGroup>

src/PrayerTracker.Tests/UI/CommonFunctionsTests.fs

@@ -1,7 +1,7 @@
 module PrayerTracker.UI.CommonFunctionsTests
 
 open Expecto
-open Giraffe.GiraffeViewEngine
+open Giraffe.ViewEngine
 open Microsoft.AspNetCore.Mvc.Localization
 open Microsoft.Extensions.Localization
 open PrayerTracker.Tests.TestLocalization