📝 Add geo location set variable example

apps/docs/editor/blocks/logic/set-variable.mdx

@@ -121,3 +121,23 @@ This value block allows you to find the `Id` from `Ids` with the same index as `
     alt="Set variable map item with same index"
   />
 </Frame>
+
+## Get user's geo location
+
+For this you can provide the following custom code:
+
+```js
+function getPosition() {
+  return new Promise((resolve, reject) => {
+    navigator.geolocation.getCurrentPosition(
+      (position) => resolve(position),
+      (error) => reject(error),
+      { enableHighAccuracy: true, timeout: 5000 }
+    )
+  })
+}
+
+const coords = (await getPosition()).coords
+
+return `${coords.latitude}, ${coords.longitude}`
+```