New Crowdin updates (#165)

* New translations en.json (Polish)

* New translations en.json (Chinese Simplified)

* New translations getting-started.mdx (Chinese Simplified)

* New translations menu.mdx (Chinese Simplified)

* New translations view.mdx (Chinese Simplified)

* New translations files-and-stats.mdx (Chinese Simplified)

* New translations edit.mdx (Chinese Simplified)

* New translations file.mdx (Chinese Simplified)

* New translations settings.mdx (Chinese Simplified)

* New translations routing.mdx (Chinese Simplified)

* New translations toolbar.mdx (Chinese Simplified)

* New translations files-and-stats.mdx (Chinese Simplified)

* New translations poi.mdx (Chinese Simplified)

* New translations time.mdx (Chinese Simplified)

* New translations routing.mdx (Chinese Simplified)

* New translations scissors.mdx (Chinese Simplified)

* New translations merge.mdx (Chinese Simplified)

* New translations extract.mdx (Chinese Simplified)

* New translations en.json (Chinese Simplified)

* New translations minify.mdx (Chinese Simplified)

* New translations extract.mdx (Chinese Simplified)

* New translations map-controls.mdx (Chinese Simplified)

* New translations clean.mdx (Chinese Simplified)

* New translations elevation.mdx (Chinese Simplified)

* New translations en.json (Chinese Simplified)

* New translations gpx.mdx (Chinese Simplified)

* New translations integration.mdx (Chinese Simplified)

* New translations faq.mdx (Chinese Simplified)

* New translations map-controls.mdx (Chinese Simplified)

* New translations elevation.mdx (Chinese Simplified)

* New translations en.json (Chinese Simplified)

* New translations en.json (Chinese Simplified)

website/src/locales/pl.json

@@ -1,7 +1,7 @@
 {
     "metadata": {
         "home_title": "edytor online plików GPX",
-        "app_title": "app",
+        "app_title": "",
         "embed_title": "edytor online plików GPX",
         "help_title": "pomoc",
         "404_title": "nie odnaleziono strony",