[+] Added "Keep in Touch" page

content/en/links/maintain.md

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+---
+title: Keep in Touch
+---
+
+### Conditions
+
+1. You (and your website) must **NOT** infringe on the copyrights of others.
+2. Your website is operational most of the time.
+3. No **FREE** domain suffixes$^*$ nor **non-ASCII** domain suffixes acceptable.
+
+$^*$ domains registered on freenom.com, and/or subdomains excluded from the [list](https://publicsuffix.org/list/public_suffix_list.dat).
+
+### My datas
+
+```yaml
+Name: Seven SUN
+Link: https://sunyz.net/
+Desc: The next time we may meet anywhere, but we are always as brilliant as a sea of stars.
+Avatar: https://gravatar.com/avatar/f00abd61daa5520cd384fe0d1136d3b40df021ac87089061fe99b4a3f74dc9a2/
+```
+
+**n.b. Your links must end up with a slash.**  
+In addition, it is recommended to store your avatar on [Gravatar](https://gravatar.com) for better accessibility.

content/zh-cn/links/maintain.md

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+---
+title: 串个门
+---
+
+### 条件
+1. 您（与您的网站）不得侵犯他人版权。
+2. 您的网站多数时候都能正常访问。
+3. 不接受 **免费** 域名后缀$^*$ 或 **non-ASCII** 域名后缀。
+
+$^*$ 特指于 freenom.com 注册的域名, 与/或 不在 [此列表](https://publicsuffix.org/list/public_suffix_list.dat) 中的子域名。
+
+### 我的信息
+
+```yaml
+名称: Seven SUN
+网址: https://sunyz.net/
+描述: 下一次相遇可能在任何地方，但我们始终灿烂如星海。
+头像: https://gravatar.com/avatar/f00abd61daa5520cd384fe0d1136d3b40df021ac87089061fe99b4a3f74dc9a2/
+```
+
+**特别注意：所有链接必须以斜杠结尾。**  
+同时，建议使用 [Gravatar](https://gravatar.com) 存储您的头像，以获得更好的可访问性。