Update backend to .NET Core 3.1

src/MyPrayerJournal.Api/MyPrayerJournal.Api.fsproj

@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
-    <Version>2.1.1.0</Version>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <Version>3.0.0.0</Version>
   </PropertyGroup>
 
   <ItemGroup>

src/app/package.json

@@ -1,6 +1,6 @@
 {
   "name": "my-prayer-journal",
-  "version": "2.1.1",
+  "version": "3.0.0",
   "private": true,
   "description": "myPrayerJournal - Front End",
   "author": "Daniel J. Summers <daniel@bitbadger.solutions>",

src/global.json

@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "3.0.100"
+    "version": "3.1.101"
   }
 }