Improved auctions

- Added Starting Bid (only for first bid)
- Fixed missing $'s in messages
- Improved the way numbers are displayed in auctions for readability
- Added AuctionActions to store bids by users
- Removed as much code that was relying on text being in embeds as possible
- Improved structure of code related to auctions

src/main/java/com/alttd/util/Util.java

@@ -216,4 +216,16 @@ public class Util {
             return str.toUpperCase();
         return str.toUpperCase().charAt(0) + str.toLowerCase().substring(1);
     }
+
+    public static String formatNumber(int price) {
+        String priceString = new StringBuilder(String.valueOf(price)).reverse().toString();
+        StringBuilder sb = new StringBuilder();
+        int i = 0;
+        while (i + 3 < priceString.length()) {
+            sb.append(priceString, i, i + 3).append(",");
+            i += 3;
+        }
+        sb.append(priceString.substring(i)).reverse();
+        return "" + sb;
+    }
 }