feature(database-connection): First implementation

frontend/src/App.tsx

@@ -65,6 +65,7 @@ export default class App extends React.Component {
         <tr key={index} className={placementClassName}>
           <td>{placement}</td>
           <td>{entry.name}</td>
+          <td>{entry.rank}</td>
           <td>{entry.onlineTime}</td>
         </tr>
       )
@@ -92,6 +93,7 @@ export default class App extends React.Component {
           <tr>
             <th>Placement</th>
             <th>Name</th>
+            <th>Rank</th>
             <th>Online time</th>
           </tr>
           </thead>

frontend/src/models/TableEntry.ts

@@ -1,4 +1,5 @@
 export default interface TableEntry {
     name: string;
+    rank: string;
     onlineTime: string;
 }