Fixed some unclosed html thingies

Some html tags and brackets and stuff weren't closed or where incomplete

src/templates/footer.html

@@ -1,13 +1,13 @@
 <div class="center">
-   	<h5  <h6 style="margin:5px">
+       <h6 style="margin:5px">
        <a href="https://github.com/moneroexamples/onion-monero-blockchain-explorer">source code</a>
-    </h5>
+       </h6>
     <h6 style="margin-top:10px">
 		Help support the hosting and maintenance of this service by donating to: <br/>
 		48daf1rG3hE1Txapcsxh6WXNe9MLNKtu7W7tKTivtSoVLHErYzvdcpea2nSTgGkz66RFP4GKVAsTV14v6G3oddBTHfxP6tU
-	</h6>
+    </h6>
+
 
-</div>
 </div>
 </body>
 </html>