Updated documentation to include second example

Incldued a second example which includes all of the possible allowed_combinations.

docs/resources/authentication_strength_policy.md

@@ -25,6 +25,34 @@ resource "azuread_authentication_strength_policy" "example" {
     "password",
   ]
 }
+
+resource "azuread_authentication_strength_policy" "example2" {
+  display_name = "Example Authentication Strength Policy"
+  description  = "Policy for demo purposes with all possible combinations"
+  allowed_combinations = [
+    "fido2",
+    "password",
+    "deviceBasedPush",
+    "temporaryAccessPassOneTime",
+    "federatedMultiFactor",
+    "federatedSingleFactor",
+    "hardwareOath,federatedSingleFactor",
+    "microsoftAuthenticatorPush,federatedSingleFactor",
+    "password,hardwareOath",
+    "password,microsoftAuthenticatorPush",
+    "password,sms",
+    "password,softwareOath",
+    "password,voice",
+    "sms",
+    "sms,federatedSingleFactor",
+    "softwareOath,federatedSingleFactor",
+    "temporaryAccessPassMultiUse",
+    "voice,federatedSingleFactor",
+    "windowsHelloForBusiness",
+    "x509CertificateMultiFactor",
+    "x509CertificateSingleFactor",
+  ]
+}
 ```
 
 ## Argument Reference