dashboard: kolom TOTAL REWARD per pemilih + TXID jadi link explorer

static/app.js

@@ -60,6 +60,7 @@
           '<span class="rank">' + r.rank + '</span>' +
           '<span class="owner">' + escapeHtml(r.owner) + '</span>' +
           '<span class="stake" data-label="STAKE (VEX)">' + vex(r.staked) + '</span>' +
+          '<span class="reward" data-label="TOTAL REWARD (VEX)">' + vex(r.total_reward) + '</span>' +
           '<span class="vote-date" data-label="VOTE TERAKHIR">' + shortdate(r.last_vote) + '</span>' +
           '</div>';
       }).join('');