Nomad changes

fixtures/plugin_api/mime_get_extensions.json

@@ -0,0 +1,17 @@
+{
+  "id": "mime_get_extensions",
+  "category": "mime_utilities",
+  "description": "Get file extensions for a MIME type",
+  "tags": ["mime", "extensions", "lookup"],
+  "call": "get_extensions_for_mime",
+  "input": {
+    "mime_type": "application/pdf"
+  },
+  "assertions": [
+    {
+      "type": "contains",
+      "field": "result",
+      "value": "pdf"
+    }
+  ]
+}