feat(udkørsel): kilder hvis læssestationer deler lager (mælketanke som udvidelser) regnes som ét stop (v1.17.3.0)

docs/USER_MANUAL.md

@@ -1,6 +1,6 @@
 # AD Smart Pickup — user manual
 
-Version 1.17.2 · Farming Simulator 25 · add-on for AutoDrive
+Version 1.17.3 · Farming Simulator 25 · add-on for AutoDrive
 
 *Dansk version: [BRUGERMANUAL.md](BRUGERMANUAL.md)*
 
@@ -273,6 +273,12 @@ Under **From** you can pick:
 | **Barn** | Milk, slurry and manure from the barn's loading points, including attached extension tanks such as Milk Tank Extension |
 | **Object storage** | Pallets and bales. They are taken out one at a time |
 
+**Sources with shared storage:** some storages are extensions that share their stock with everything
+within a set distance, such as a row of milk tanks. Loading at one empties them all. The mod detects
+this and treats them as one stop, so the tractor does not drive between the tanks. The first one in
+the list is used, and the log says which sources were merged. Choosing a single tank as the source
+is enough.
+
 ### Policy per good
 
 Every good in the sources is listed with its amount and current price. Pick a policy: