fixes #1: index ilceler endpoint

Author: furkantektas

app/static/index.html

@@ -98,7 +98,7 @@ <h2>Kullanım</h2>
             <code><a href="/sehirler/2">/sehirler/<span class="highlight">[ULKE_KODU]</span></a></code>
         </li>
         <li>İlçeler Listesi: <code class="req">GET</code>
-            <code><a href="/ilceler/539">/ilce/<span class="highlight">[SEHIR_KODU]</span></a></code>
+            <code><a href="/ilceler/539">/ilceler/<span class="highlight">[SEHIR_KODU]</span></a></code>
         </li>
         <li>Vakitler: <code class="req">GET</code>
             <code><a href="/vakitler/9541">/vakitler/<span class="highlight">[ILCE_KODU]</span></a></code>