added API controller endpoint documentation for makebackup

Middleware/Authen.cs

@@ -160,5 +160,18 @@ namespace CarCareTracker.Middleware
             Response.Redirect("/Login/Index");
             return Task.CompletedTask;
         }
+        protected override Task HandleForbiddenAsync(AuthenticationProperties properties)
+        {
+            if (Request.RouteValues.TryGetValue("controller", out object value))
+            {
+                if (value.ToString().ToLower() == "api")
+                {
+                    Response.StatusCode = 403;
+                    return Task.CompletedTask;
+                }
+            }
+            Response.Redirect("/Error/401");
+            return Task.CompletedTask;
+        }
     }
 }

Views/API/Index.cshtml

@@ -124,4 +124,21 @@
     <div class="col-3">
         vehicleId - Id of Vehicle
     </div>
-</div>
+</div>
+@if (User.IsInRole(nameof(UserData.IsRootUser)))
+{
+    <div class="row">
+        <div class="col-1">
+            GET
+        </div>
+        <div class="col-5">
+            <code>/api/makebackup</code>
+        </div>
+        <div class="col-3">
+            Creates a snapshot/backup of the DB at the time and returns a URL to download it.
+        </div>
+        <div class="col-3">
+            No Params(must be root user)
+        </div>
+    </div>
+}