added get_telnet_port

src/web/index.html

@@ -38,6 +38,10 @@
                     </div>
                 </div>
                 <div class="settingrectbody telnetsettingbody">
+                    <div style="display:flex;align-items:center;justify-content:space-between;">
+                        <label for="telnetportinput" class="forminputlabel">Port</label>
+                        <input type="text" id="telnetportinput" class="forminput">
+                    </div>
                     <table class="telnetuserstable">
                         <thead>
                             <tr>