chore: translated using Weblate (Dutch)

Currently translated at 100.0% (1698 of 1698 strings)

Translation: Trail Sense/Trail Sense Android
Translate-URL: https://hosted.weblate.org/projects/trail-sense/trail-sense-android/nl/

Author: ojppe

app/src/main/res/values-nl/strings.xml

@@ -1551,4 +1551,6 @@
     <string name="show_all">Alles weergeven</string>
     <string name="hide_all">Alles verbergen</string>
     <string name="pref_default_beacon_color_title">Standaardbaken kleur</string>
+    <string name="stone">Stone</string>
+    <string name="stone_format">%s st</string>
 </resources>