Add utm-helper (#637)

* Add utm-helper

* Update helpers/utm-helper.json

---------

Co-authored-by: Stefan Judis <[email protected]>

Author: quantize

helpers/utm-helper.json

@@ -0,0 +1,14 @@
+{
+  "name": "UTM helper",
+  "desc": "Build perfect utm links to track campaign performance in a privacy friendly way",
+  "url": "https://utm-helper.com/",
+  "tags": [
+    "SEO",
+    "Site analyzers",
+    "URL"
+  ],
+  "maintainers": [
+    "quantize"
+  ],
+  "addedAt": "2025-11-11"
+}