refactor: remove tags section from default layout and include it in all articles page

Author: liuning0820

_layouts/default.html

@@ -79,10 +79,6 @@
                         {{ content | remove: '<p>&lt;! –more– &gt;</p>' }}
                     </div>
                 </main>
-                
-                <div class="gh-tags">
-                    {% include tags.html %}
-                </div>
             </div>
         </section>
 

all.html

@@ -30,3 +30,5 @@ <h2>Collections :_zh-cn</h2>
 		{{ item.title }} - {{ item.author }}
 		</a></li>
 	{% endfor %}
+
+	{% include tags.html %}