chore: update lc problem: No.1587 (doocs#1520)

Author: thinkasany

solution/1500-1599/1587.Bank Account Summary II/README.md

@@ -76,7 +76,7 @@ Users</code> table:
 +------------+------------+------------+---------------+
 <strong>输出：</strong>
 +------------+------------+
-| <code>name    </code>   | <code>balance  </code>  |
+| name       | balance    |
 +------------+------------+
 | Alice      | 11000      |
 +------------+------------+

solution/config.py

@@ -58,6 +58,7 @@
     1538,
     1555,
     1565,
+    1587,
     1599,
     1620,
     1657,