eval scheme from index page

dist/server.js

@@ -199,6 +199,10 @@ function respond_manual(response) {
     manual_modal({'dismissed': true});
 }
 
+function eval_scheme(id) {
+    socket.emit('eval scheme', document.getElementById(id).value)
+}
+
 function select_recipe(idx) {
     localstate.recipe = idx;
     applyState();

templates/index.html

@@ -53,6 +53,23 @@
         </div>
       </div>
     </div>
+    <div class="card">
+      <header class="card-header">
+        <p class="card-header-title">
+          Manual Control
+        </p>
+      </header>
+      <div class="card-content">
+        <div class="content">
+          <div class="field has-addons">
+            <textarea class="textarea" value="#t" id="scheme-eval"/></textarea>
+            <a class="button is-info" onclick="eval_scheme('scheme-eval')">
+              Eval
+            </a>
+          </div>
+        </div>
+      </div>
+    </div>
   </div>
   <div class="column">
     <br/>