diff --git a/' b/'
deleted file mode 100644
index d0f9f77..0000000
--- a/'
+++ /dev/null
@@ -1,158 +0,0 @@
-<!DOCTYPE html>
-<html>
-    <head>
-        <meta charset="utf-8">
-        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
-        <meta name="viewport" content="width=device-width" />
-        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/water.css@2/out/water.css">
-        <script>  
-            window.addEventListener("load", function(evt) {
-                var output = document.getElementById("output");
-                var input = document.getElementById("input");
-                var ws;
-            
-                var print = function(message) {
-                    var before = output.innerHTML.split("<br>");
-                    before.unshift(`<span>${new Date().toLocaleTimeString()} | ${message}</span>`);
-                    if (before.length > 20) {
-                        before = before.slice(0, 20);
-                    }
-                    var after = before.join("<br>");
-                    output.innerHTML = after;
-                    output.scroll(0, 0);
-                };
-
-                const synth = window.speechSynthesis;
-                const voices = synth.getVoices().sort(function (a, b) {
-                    const aname = a.name.toUpperCase();
-                    const bname = b.name.toUpperCase();
-
-                    if (aname < bname) {
-                        return -1;
-                    } else if (aname == bname) {
-                        return 0;
-                    } else {
-                        return +1;
-                    }
-                });
-                var voices_idx = 0;
-
-                {
-                    var ele = document.getElementById("voices");
-                    for(var i in voices) {
-                        var voice = voices[i];
-                        const opt = document.createElement("input");
-                        opt.type = "radio";
-                        opt.name = "voice";
-                        opt.id = `voices-${i}-${voice.name}`
-                        opt.value = i;
-
-                        const label = document.createElement("label");
-                        label.for = opt.id;
-                        label.textContent = voice.name;
-
-                        ele.appendChild(opt);
-                        ele.appendChild(label);
-                        ele.appendChild(document.createElement("br"));
-                    }
-                }
-            
-                ws = new WebSocket("ws://"+window.location.host+"/ws");
-                ws.onopen = function(evt) {
-                    print("READY");
-                }
-                ws.onclose = function(evt) {
-                    print("CLOSE");
-                    ws = null;
-                }
-                ws.onmessage = function(evt) {
-                    console.log("evt.data:", evt.data)
-                    const data = JSON.parse(evt.data);
-
-                    const utterThis = new SpeechSynthesisUtterance(data.Text);
-
-                    const idx = data.VoiceIdx || 0;
-                    utterThis.voice = voices[idx];
-
-                    if (data.Pitch) {
-                        utterThis.pitch = data.Pitch
-                    }
-
-                    if (data.Rate) {
-                        utterThis.rate = data.Rate
-                    }
-
-                    window.speechSynthesis.speak(utterThis);
-                    print(data.Text);
-                }
-                ws.onerror = function(evt) {
-                    print("ERROR: " + evt.data);
-                }
-            
-                document.getElementById("send").onclick = function(evt) {
-                    if (!ws || !input.value) {
-                        return false;
-                    }
-
-                    var voiceIdx = "0";
-                    var voiceEles = document.getElementsByName("voice");
-                    for (var i = 0; i < voiceEles.length; i++)
-                        if (voiceEles[i].checked)
-                            voiceIdx = voiceEles[i].value;
-                    
-                    const data = JSON.stringify({
-                        "Text": input.value,
-                        "Pitch": Number.parseInt(document.getElementById("pitch").value, 10),
-                        "Rate": Number.parseFloat(document.getElementById("rate").value, 10),
-                        "VoiceIdx": Number.parseInt(voiceIdx, 10),
-                    });
-
-                    ws.send(data);
-                    print("SENT: " + input.value);
-                    input.value = "";
-                    if (document.getElementById("listen").checked) {
-                        ws.onmessage({data: data});
-                    }
-                    return false;
-                };
-            });
-        </script>
-        <style>
-            #output > span {
-                opacity: 0.33;
-            }
-            #output > span:nth-child(1) {
-                opacity: 1;
-            }
-            #output > span:nth-child(2) 
-            , #output > span:nth-child(3) 
-            {
-                opacity: 0.66;
-            }
-        </style>
-    </head>
-    <body>
-        <div style="width: 80%; height: 80%; margin: auto; display: flex; flex-direction: row;">
-            <div style="display: flex; flex-direction: column;">
-                <form style="flex-grow: 1;">
-                    <p><input id="input" type="textarea" value="" autofocus style="width: 80%">
-                    <p>
-                    <button id="send">Send</button>
-                </form>
-                <div>
-                    <form id="voices"></form>
-
-                    <input id="pitch" type="number" value="0"/>
-                    <label for="pitch">pitch</label></br>
-
-                    <input id="rate" type="number" value="0"/>
-                    <label for="rate">rate</label></br>
-
-                    <input id="listen" type="checkbox" />
-                    <label for="listen">listen</label></br>
-                </div>
-            </div>
-            <div id="output" style="flex-grow: 1; overflow-y: scroll;"></div>
-        </div>
-    </body>
-</html>
