Change capitalization of "Add Location" (#6493)

This makes it consistent with "Edit Location" and
"Edit Image", which are used in the same screen.

Author: amire80

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

@@ -767,7 +767,7 @@ Upload your first media by tapping on the add button.</string>
   <string name="location_message">Location data helps Wiki editors find your picture, making it much more useful.\nYour recent uploads have no location.\nWe suggest you turn on location in your camera app\'s settings.\nThank you for uploading!</string>
   <string name="no_location_found_title">No location found</string>
   <string name="no_location_found_message">How about adding the place where this image was taken?\nLocation data helps Wiki editors find your picture, making it much more useful.\nThank you!</string>
-  <string name="add_location">Add location</string>
+  <string name="add_location">Add Location</string>
   <string name="feedback_sharing_data_alert">Please remove from this email any information that you are not comfortable sharing publicly. Also, please be aware that your email address with which you are posting, and the associated name and profile picture, will be visible publicly.</string>
   <string name="explore_map_details">Details</string>
   <string name="achievements_unavailable_beta">Achievements are only available in the prod flavor. Please check the developer documentation.</string>