add grid local spooling

web/kiri/output-gcode.html

@@ -53,3 +53,16 @@
     </div>
     <button id="print-gridhost" class="print-send">send</button>
 </div>
+
+<div class="print-sel flex frow" id="send-to-gridspool">
+    <span><label>grid:local</label></span>
+    <div>
+        <table>
+            <tr><th>target</th><td><select id="grid-local"></select></td></tr>
+        </table>
+    </div>
+    <div class="flex fcol print-send">
+        <button id="print-gridlocal">send</button>
+        <button id="admin-gridlocal">admin</button>
+    </div>
+</div>