Added userinfo endpoint usage and api now properly creates necessary claims to start doing database stuff

WebAPI/Data/Dto/PterodactylCreateUserRequest.cs

@@ -0,0 +1,16 @@
+using Newtonsoft.Json;
+
+namespace WebAPI.Data.Dto
+{
+    public class PterodactylCreateUserRequest
+    {
+        public string Email { get; set; }
+        public string Username { get; set; }
+        [JsonProperty("external_id")]
+        public string ExternalId { get; set; }
+        [JsonProperty("first_name")]
+        public string FirstName { get; set; }
+        [JsonProperty("last_name")]
+        public string LastName { get; set; }
+    }
+}