[MarketplaceOrdering] [S360] Add missing Operations example (#20936)

* Adding example for MarketplaceOrdering

* fix operations list example name
\

* fix typo

Author: meirloichter

specification/marketplaceordering/resource-manager/Microsoft.MarketplaceOrdering/stable/2021-01-01/Agreements.json

@@ -157,6 +157,11 @@
             }
           }
         },
+        "x-ms-examples": {
+          "List Operations": {
+            "$ref": "./examples/OperationsList.json"
+          }
+        },
         "x-ms-pageable": {
           "nextLinkName": "nextLink"
         }
@@ -293,7 +298,7 @@
         "operationId": "MarketplaceAgreements_List",
         "description": "List marketplace agreements in the subscription.",
         "x-ms-examples": {
-          "SetMarketplaceTerms": {
+          "ListMarketplaceTerms": {
             "$ref": "./examples/ListMarketplaceTerms.json"
           }
         },

specification/marketplaceordering/resource-manager/Microsoft.MarketplaceOrdering/stable/2021-01-01/examples/OperationsList.json

@@ -0,0 +1,76 @@
+{
+  "parameters": {
+    "api-version": "2021-01-01"
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "value": [
+          {
+            "name": "Microsoft.MarketplaceOrdering/agreements/read",
+            "display": {
+              "provider": "Microsoft Marketplace Ordering",
+              "resource": "Agreement",
+              "operation": "Get all Agreements",
+              "description": "Return all agreements under given subscription"
+            }
+          },
+          {
+            "name": "Microsoft.MarketplaceOrdering/agreements/offers/plans/read",
+            "display": {
+              "provider": "Microsoft Marketplace Ordering",
+              "resource": "Agreement",
+              "operation": "Get Agreement",
+              "description": "Return an agreement for a given marketplace item"
+            }
+          },
+          {
+            "name": "Microsoft.MarketplaceOrdering/agreements/offers/plans/sign/action",
+            "display": {
+              "provider": "Microsoft Marketplace Ordering",
+              "resource": "Agreement",
+              "operation": "Sign Agreement",
+              "description": "Sign an agreement for a given marketplace item"
+            }
+          },
+          {
+            "name": "Microsoft.MarketplaceOrdering/agreements/offers/plans/cancel/action",
+            "display": {
+              "provider": "Microsoft Marketplace Ordering",
+              "resource": "Agreement",
+              "operation": "Cancel Agreement",
+              "description": "Cancel an agreement for a given marketplace item"
+            }
+          },
+          {
+            "name": "Microsoft.MarketplaceOrdering/offertypes/publishers/offers/plans/agreements/read",
+            "display": {
+              "provider": "Microsoft Marketplace Ordering",
+              "resource": "Agreement",
+              "operation": "Get Agreement for virtual machine",
+              "description": "Get an agreement for a given marketplace virtual machine item"
+            }
+          },
+          {
+            "name": "Microsoft.MarketplaceOrdering/offertypes/publishers/offers/plans/agreements/write",
+            "display": {
+              "provider": "Microsoft Marketplace Ordering",
+              "resource": "Agreement",
+              "operation": "Save Agreement for virtual machine",
+              "description": "Sign or Cancel an agreement for a given marketplace virtual machine item"
+            }
+          },
+          {
+            "name": "Microsoft.MarketplaceOrdering/operations/read",
+            "display": {
+              "provider": "Microsoft Marketplace Ordering",
+              "resource": "Agreement",
+              "operation": "List Operations",
+              "description": "List all possible operations in the API"
+            }
+          }
+        ]
+      }
+    }
+  }
+}