Added configurable return url

src/ContactForm/Function.cs

@@ -77,7 +77,7 @@ namespace ContactForm
             }
 
             Log.CloseAndFlush();
-            return new { location = "https://www.alexhyett.com" };
+            return new { location = _appSettings.ReturnUrl };
         }
 
         private void ConfigureServices(IServiceCollection serviceCollection)

src/ContactForm/Settings/AppSettings.cs

@@ -2,6 +2,7 @@ namespace ContactForm
 {
     public class AppSettings
     {
+        public string ReturnUrl { get; set; }
         public string EmailFrom { get; set; }
         public string EmailTo { get; set; }
         public string Host { get; set; }

src/ContactForm/appsettings.json

@@ -1,5 +1,6 @@
 {
   "App": {
+    "ReturnUrl": "http://www.example.com",
     "EmailFrom": "sender@example.com",
     "EmailTo": "hello@example.com",
     "Host": "smtp.example.com",

test/ContactForm.Tests/appsettings.json

@@ -1,6 +1,12 @@
 {
   "App": {
-    "Prefix": "Test"
+    "ReturnUrl": "http://www.example.com",
+    "EmailFrom": "sender@example.com",
+    "EmailTo": "hello@example.com",
+    "Host": "smtp.example.com",
+    "Port": 465,
+    "Username": "email-username",
+    "Password": "email-password"
   },
   "Serilog": {
     "Using": ["Serilog.Sinks.Seq"],