Add snippets named 'RequiresPSSnapinDirective' and 'RequiresPSSnapinVersionDirective'

Author: travisclagrone

snippets/PowerShell.json

@@ -1032,5 +1032,19 @@
             "#Requires -Version ${1:Version}"
         ],
         "description": "Require a minimum version of PowerShell to run the script."
+    },
+    "RequiresPSSnapinDirective": {
+        "prefix": "require-snapin",
+        "body": [
+            "#Requires -PSSnapin ${1:Name}"
+        ],
+        "description": "Require a PowerShell snap-in to run the script."
+    },
+    "RequiresPSSnapinVersionDirective": {
+        "prefix": "require-snapin-version",
+        "body": [
+            "#Requires -PSSnapIn ${1:Name} -Version ${2:Version}"
+        ],
+        "description": "Require a PowerShell snap-in of minimum version to run the script."
     }
 }