Added link to source code

src/main/resources/public/index.html

@@ -59,6 +59,12 @@
         form input[name="shortUrl"]::placeholder {
             text-transform: none;
         }
+
+        div[name="gitlab"] {
+            position: absolute;
+            right: 0.5%;
+            bottom: 0.5%;
+        }
     </style>
 </head>
 
@@ -102,6 +108,10 @@
         </table>
     </div>
 
+    <div name="gitlab">
+        <a href="https://gitlab.com/SinTan1729/simply-shorten" target="_blank" rel="noopener noreferrer">Source Code</a>
+    </div>
+
 </body>
 
 </html>