Activate unique id by default, it is useful in many cases

Author: joto

config/shortbread_gen.lua

@@ -15,7 +15,7 @@ themepark:set_option('tags', 'all_tags')
 
 -- Set this to add a column 'id' with unique IDs (and corresponding unique
 -- index). This is needed for instance when you want to edit the data in QGIS.
---themepark:set_option('unique_id', 'id')
+themepark:set_option('unique_id', 'id')
 
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