show controllers in recipe

dist/server.js

@@ -183,6 +183,10 @@ function render_load_recipe(data) {
 </div>
 {{#selected_recipe}}
 {{description}}
+Controllers:
+{{#controllers}}
+{{.}}
+{{/controllers}}
 {{#phases}}
 <br><br>
 <div class="content"><h4>{{name}}</h4></div>

phasectrl.py

@@ -209,6 +209,7 @@ class Recipe():
         return {
             'name': self.name,
             'description': self.description,
+            'controllers': self.controllers,
             'phases': [
                 phasetodict(i, p)
                 for (i, p) in enumerate(self.phases)