Allow property usage templates of any language

- as long as it contains "Wikidata"

src/lib.rs

@@ -8,7 +8,7 @@ pub mod wikipedia_infobox_analyzer {
     pub fn extract_used_properties_from_template(template: String) -> Vec<String> {
         let mut lines = template.lines();
         let used = lines
-            .find(|line| line.starts_with("{{Gebruikt Wikidata"))
+            .find(|line| line.starts_with("{{") && line.contains("Wikidata|"))
             .expect("Template should have a line declaring which properties are used");
 
         // The properties are listed inside the template with their number: P1|P2|P...