ask moudule: add ask.css

app/assets/stylesheets/ask.css

@@ -0,0 +1,8 @@
+#acknowledgement {
+  font-size: 14px;
+  color: green;
+}
+
+.ask-question {
+
+}

vendor/built_in_modules/ask/app/views/panel/ask/front_end/ask_questions/index.html.erb

@@ -1,10 +1,5 @@
-<style type="text/css">
-  #acknowledgement {
-    font-size: 14px;
-    color: green;
-  }
-</style>
-<div id="new-ask-question">
+<link href='/assets/ask.css' rel='stylesheet' type='text/css' />
+<div id="new-ask-question" class="ask-question">
   <div id="acknowledgement"></div>
   <%= form_for @ask_question, url: panel_ask_front_end_ask_questions_path(standalone: true), remote: true,
     html: {class: 'form-horizontal'} do |f| %>