Add two more font-size options to the editor.

services/web/app/views/project/editor/left-menu.pug

@@ -170,7 +170,7 @@ aside#left-menu.full-size(
 					ng-model="fontSizeAsStr"
 					ng-model-options="{ getterSetter: true }"
 				)
-					each size in ['10','11','12','13','14','16','20','24']
+					each size in ['10','11','12','13','14','16','18','20','22','24']
 						option(value=size) #{size}px
 
 			.form-controls