Update Web.config

Migrate to B2Clogin.com

Author: yoelhor

TaskService/Web.config

@@ -12,7 +12,7 @@
     <add key="webpages:Enabled" value="false" />
     <add key="ClientValidationEnabled" value="true" />
     <add key="UnobtrusiveJavaScriptEnabled" value="true" />
-    <add key="ida:AadInstance" value="https://login.microsoftonline.com/{0}/v2.0/.well-known/openid-configuration?p={1}" />
+    <add key="ida:AadInstance" value="https://fabrikamb2c.b2clogin.com/{0}/{1}/v2.0/.well-known/openid-configuration" />
     <add key="ida:Tenant" value="fabrikamb2c.onmicrosoft.com" />
     <add key="ida:ClientId" value="90c0fe63-bcf2-44d5-8fb7-b8bbc0b29dc6" />
     <add key="ida:SignUpSignInPolicyId" value="b2c_1_susi" />
@@ -104,4 +104,4 @@
       <remove name="TRACEVerbHandler" />
       <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
     </handlers>
-  </system.webServer></configuration>
+  </system.webServer></configuration>