Improves messages when trying to salvage an item

Implements unimplemented too damaged for salvage message
Adds two new messages explaining whether an item will produce full or partial salvage

src/main/resources/config.yml

@@ -197,4 +197,10 @@ scrapper:
       insufficientFundsMessage: "&cYou don't have enough money to salvage an item!"
       
       # The message to display when explaining the shown item's salvage cost
-      costMessage: "&eIt will cost &a{cost}&e to salvage that item! Click again to salvage!"
+      costMessage: "&eIt will cost &a{cost}&e to salvage that item! {yield} &eClick again to salvage!"
+      
+      # The yield message to display if trying to salvage a non-damaged item
+      fullSalvageMessage: "&aI should be able to extract all components from that pristine item.&r"
+      
+      # The yield message to display if trying to salvage a damaged item
+      partialSalvageMessage: "&cI cannot extract all components from that damaged item.&r"