Simplifies authentication logic and adds VIN.

Removes temporary test endpoints and refactors the authorize endpoint.

Adds support for VIN notifications for a new vehicle by adding it to the dictionary.

Source/ProofOfConcept/Services/MessageProcessor.cs

@@ -153,7 +153,11 @@ public class MessageProcessor
 public class MessageProcessorConfiguration
 {
     public string PushoverAPIKey { get; set; } = "acr9fqxafqeqjpr4apryh17m4ak24b";
-    public Dictionary<string, string> VinNotifications { get; set; } = new Dictionary<string, string>() { { "5YJ3E7EB7KF291652", "u2ouaqqu5gd9f1bq3rmrtwriumaffu"} /*Zoli*/ };
+    public Dictionary<string, string> VinNotifications { get; set; } = new Dictionary<string, string>()
+    {
+        { "5YJ3E7EB7KF291652", "u2ouaqqu5gd9f1bq3rmrtwriumaffu"}, /*Zoli*/
+        { "LRW3E7EK4NC482668", "udbz5g2hi24m4wcanx44qqkwf7r1c7" }
+    };
 }
 
 file static class DateTimeOffsetExtensions