Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!--
+IMPORTANT: Please follow the template to create a new issue.
+重要：請依照該模板來提交。
+
+If you upgrade from the old version, and an error occurs when running, please copy the new content in the config to the butterfly.yml
+如果你是由舊版本升級到新版，執行時出現報錯，請首先把config裡新的內容複製到舊的butterfly設定去
+
+If you are a problem when visit the website, please open your browser 'developer tools (shortcut F12)' and check the console if there is an error, include your website address in the feedback
+如果你是線上訪問出現問題，請檢查瀏覽器‘開發人員工具（快捷鍵F12）’的console是否有報錯，反饋時附上你的網站
+-->
+
+
+## I want to create a Bug report <!-- 我想要建立一個 Bug report --> 
+
+<!-- Check all with "x" especially FAQ & Documentation!! (使用 "x" 選擇) -->
+<!-- 請確認是否都已經翻閲過如下的資料, 尤其是安裝文件！！ -->
+- [] 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 [Butterfly Documentation](https://demo.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) -->
+
+## Steps to reproduce the behavior <!-- (重現步驟) -->
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+<!-- If applicable, add screenshots to help explain your problem -->
+<!-- 請儘量提供截圖來定位問題 -->
+## Screenshots <!-- (截圖) -->
+
+<!-- Provide your website to find the issues -->
+## Website
+
+## Describe the bug

.github/ISSUE_TEMPLATE/custom.md

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+---
+name: Custom issue template
+about: Describe this issue template's purpose here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.