Fix the space between lat and long

src/wiki-normalizer.ts

@@ -66,7 +66,7 @@ class WikiNormalizer extends Transform {
         end: this.getEnd(obj),
         typology: this.getInstanceOf(obj),
         modification_date: `${date.getFullYear()}-${date.getMonth()}-${date.getDate()}`,
-        location: `${lat}, ${lon}`,
+        location: `${lat},${lon}`,
       };
     } catch (err) {
       this.logger.error(`Transformer Error`);