chore: add swiftv2 windows conflist (#4144)

* add swiftv2 windows conflist

* lint: spaces

* feat: add disableAsyncDelete config

* fix: follow CNI spec with plugins property

Author: jackieluc

cni/azure-windows-swiftv2-stateless.conflist

@@ -0,0 +1,27 @@
+{
+    "cniVersion": "1.0.0",
+    "name": "azure",
+    "plugins": [
+        {
+            "type": "azure-vnet",
+            "mode": "bridge",
+            "bridge": "azure0",
+            "capabilities": {
+                "portMappings": true,
+                "dns": true
+            },
+            "ipam": {
+                "type": "azure-cns"
+            },
+            "dns": {
+                "Nameservers": [
+                    "168.63.129.16"
+                ],
+                "Search": [
+                    "svc.cluster.local"
+                ]
+            },
+            "disableAsyncDelete": true
+        }
+    ]
+}