UI fixes, adds blanket impls of buy/sell signals

lootalot_front/src/components/PlayerView.js

@@ -21,6 +21,12 @@ export default {
                 .then(_ => { if (AppStorage.debug) this.notifications.push("Claim withdrawn")})
 
         },
+        buyItems(items) {
+            this.notifications.push(`Would buy ${items.length} items`);
+        },
+        sellItems (items) {
+            this.notifications.push(`Would sell ${items.length} items`);
+        },
         parseLoot (items) {
             this.loot = [];
             items.map(item => {
@@ -57,6 +63,8 @@ export default {
                     updateWealth: this.updateWealth,
                     putClaim: this.putClaim,
                     withdrawClaim: this.withdrawClaim,
+                    buyItems: this.buyItems,
+                    sellItems: this.sellItems,
             }
         })
     }