Migration to a ServiceWorker for most tasks.

Implementation of basic PatchComplianceTask. First real iteration, basic/raw asf.

OversightService/Services/LoginResponse.cs

@@ -0,0 +1,9 @@
+namespace OversightService.Services
+{
+    public class LoginResponse
+    {
+        public string Token { get; set; }
+        public string Username { get; set; }
+        public int UserId { get; set; }
+    }
+}