[report] Add the report mod

- For #340

worlds/minetestforfun/world.mt

@@ -220,6 +220,7 @@ load_mod_beds = true
 load_mod_builtin_item = true
 load_mod_chatplus = true
 load_mod_email = true
+load_mod_report = true
 
 load_mod_snowdrift = false
 load_mod_snow = true