dashboard: add in use count, and serum3 oo pubkey

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>

pages/dashboard/mangoaccount.tsx

@@ -188,6 +188,10 @@ const MangoAccountDashboard: NextPage = () => {
                       label="Value at oracle price"
                       value={`$${token.balanceUi(bank) * bank.uiPrice}`}
                     />
+                    <KeyValuePair
+                      label="In Use Count"
+                      value={`$${token.inUseCount}`}
+                    />
                   </div>
                 )
               })}
@@ -221,6 +225,10 @@ const MangoAccountDashboard: NextPage = () => {
                       label="Market Index"
                       value={serum.marketIndex}
                     />
+                    <KeyValuePair
+                      label="Open Orders"
+                      value={serum.openOrders.toBase58()}
+                    />
                   </div>
                 )
               })}