Fix follow icon changing plus to minus, add terms page stub

app/controllers/about_controller.rb

@@ -1,5 +1,16 @@
 class AboutController < ApplicationController
+  before_action :set_body_classes
+
   def index
+  end
+
+  def terms
+    @state = 'TBD'
+  end
+
+  private
+
+  def set_body_classes
     @body_classes = 'about-body'
   end
 end