Don't add quotation marks if they are already present

frontend/src/app/quotes/quotes.component.ts

@@ -96,7 +96,11 @@ export class QuotesComponent implements OnInit, AfterViewInit {
 
         for (const quote of quotes) {
             let date = new DatePipe('en-US-POSIX').transform(quote.date, 'dd/MM/yyyy');
-            lines.push('"' + quote.text + '" [' + quote.game + '] [' + date + ']\r\n');
+            if (quote.text.includes('"')) {
+                lines.push(quote.text + ' [' + quote.game + '] [' + date + ']\r\n');
+            } else {
+                lines.push('"' + quote.text + '" [' + quote.game + '] [' + date + ']\r\n');
+            }
         }
 
         let data = new Blob(lines, {