Add pool input box in post details

client/html/pool_input.tpl

@@ -0,0 +1,8 @@
+<div class='pool-input'>
+    <div class='main-control'>
+        <input type='text' placeholder='type to add…'/>
+        <!-- <button>Add</button> -->
+    </div>
+
+    <ul class='compact-pools'></ul>
+</div>

client/html/post_edit_sidebar.tpl

@@ -87,6 +87,12 @@
             </section>
         <% } %>
 
+        <% if (ctx.canEditPoolPosts) { %>
+            <section class='pools'>
+                <%= ctx.makeTextInput({}) %>
+            </section>
+        <% } %>
+
         <% if (ctx.canEditPostContent) { %>
             <section class='post-content'>
                 <label>Content</label>