add reader pause/delete buttons

reader.html

@@ -21,6 +21,42 @@ p
     margin-top: 5px;
     margin-bottom: 5px;
 }
+button
+{
+    background: rgb(255,255,255);
+    background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(244,241,238,1) 72%, rgba(219,211,197,1) 100%);
+    border: none;
+    border-radius: 5px;
+    outline: 1px solid rgba(0, 0, 0, 0.5);
+    -moz-outline-radius: 5px;
+    cursor: pointer;
+    font-size: 65%;
+    font-weight: 600;
+    height: 2em;
+    transition: all .05s ease-in-out;
+}
+#button_pause:hover
+{
+    opacity: 1.0;
+}
+#button_delete:hover
+{
+    opacity: 1.0;
+}
+#button_pause
+{
+    opacity: 0.35;
+    position: fixed;
+    right: 5px;
+    bottom: calc( 10px + 2em );
+}
+#button_delete
+{
+    opacity: 0.35;
+    position: fixed;
+    right: 5px;
+    bottom: 5px;
+}
 </style>
 <style id=new_color_style>
 body > p:nth-of-type(1)
@@ -30,7 +66,6 @@ body > p:nth-of-type(1)
 </style>
 <script src="include/browser-polyfill.min.js" charset="UTF-8"></script>
 <script src="reader.js" charset="UTF-8"></script>
-<script src="texthook.js" charset="UTF-8"></script>
 </head>
 
 <body lang="ja">
@@ -38,6 +73,8 @@ body > p:nth-of-type(1)
 <p><i>This page grabs from the clipboard automatically if it contains Japanese text. If this page is not opened, Nazeka will never access the clipboard.</i></p>
 <p><i>Use the context menu (right click the page) to toggle Nazeka.</i></p>
 <div style="position:absolute;visibility:hidden"><textarea id="nazeka-paste-target"></textarea></div>
+<button id=button_pause>Pause</button>
+<button id=button_delete>Delete Newest</button>
 </body>
 
 </html>