1. 修復gitalk報path.startsWith is not a function的bug jerryc127#66

2. 修復在屏幕縮放字體大小而導致menu變爲sidebar模式的bug jerryc127#64
3. just-gallery增加上下邊距

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,45 @@
+<!--
+IMPORTANT: Please follow the template to create a new issue.
+重要：請依照該模板來提交。
+-->
+
+## I want to create a new issue <!-- 我想要建立一個新的issue --> 
+
+<!-- Check all with "x" especially FAQ & Documentation!! (使用 "x" 選擇) -->
+<!-- 請確認是否都已經翻閱過如下的資料, 尤其是安裝文檔！！ -->
+- [] Yes, I have read [Hexo Docs page](https://hexo.io/docs/), especially [Templates](https://hexo.io/docs/templates.html), [Variables](https://hexo.io/docs/variables.html), [Helpers](https://hexo.io/docs/helpers.html) and [Troubleshooting](https://hexo.io/docs/troubleshooting.html).
+- [] Yes, I have read [Hexo-theme-butterfly Documentation](https://jerryc.me/posts/21cfbf15/).
+- [] And yes, I already searched for current [issues](https://github.com/jerryc127/hexo-theme-butterfly/issues?utf8=%E2%9C%93&q=is%3Aissue) and this did not help me.
+
+## Butterfly Information
+
+<!-- Butterfly的版本 -->
+<!-- 檢視主題的package.json -->
+**Butterfly Version:**
+
+<!-- Windows/macOS/Linux/Android/iOS -->
+**Platform:**
+
+<!-- Chrome/Safari/FireFox/.. -->
+**Browser:**
+
+## Expected behavior <!-- (預期行為) -->
+
+## Actual behavior <!-- (實際行為) -->
+
+<!-- Please give me the screenshots to locate the issue -->
+<!-- 請儘量提供截圖來定位問題 -->
+
+## Steps to reproduce the behavior <!-- (重現步驟) -->
+
+## Feature Request
+
+<!-- If you have any ideas of theme-butterfly, please write down here and we can have a discussion. -->
+<!-- 如果你有任何關於Butterfly的功能方面的想法，可以在這個部分裡寫下來我們一起討論 -->
+
+---
+
+<!--
+Love hexo-theme-butterfly? Please consider starring the repo to support it!
+喜歡 hexo-theme-butterfly嗎？ 考慮一下給它點個star來支援它吧！
+-->

_config.yml

@@ -571,7 +571,7 @@ CDN_USE:
 # 非必要不要修改
 CDN:
   #comments
-  blueimp-md5: https://cdn.jsdelivr.net/npm/blueimp-md5@2.10.0/js/md5.min.js
+  blueimp_md5: https://cdn.jsdelivr.net/npm/blueimp-md5@2.10.0/js/md5.min.js
   gitalk: https://cdn.jsdelivr.net/npm/gitalk@latest/dist/gitalk.min.js
   gitalk_css: https://cdn.jsdelivr.net/npm/gitalk/dist/gitalk.min.css
   valine: https://cdn.jsdelivr.net/npm/valine/dist/Valine.min.js