docs: update community links and translation strings (#443)

Revised WeChat and Slack community links in both Chinese and English index pages, updated contact info in HugeGraph-AI quickstart docs

and improved translation for 'last modified' in English and Chinese i18n files. Minor change in sticky-footer.css.

Author: imbajin

content/cn/_index.html

@@ -72,10 +72,10 @@ <h1 class="text-center">第一个 Apache 图数据库项目</h1>
 {{% /blocks/feature %}}
 
 
-{{% blocks/feature icon="fab fa-weixin" title="关注微信" url="https://twitter.com/apache-hugegraph" %}}
-关注微信公众号 "HugeGraph"
+{{% blocks/feature icon="fab fa-weixin" title="关注微信" %}}
+关注微信公众号 "HugeGraph" 获取最新动态
 
-(推特正在路上...)
+也可以加入 [ASF Slack 频道](https://the-asf.slack.com/archives/C059UU2FJ23)参与讨论
 {{% /blocks/feature %}}
 
 

content/cn/docs/quickstart/hugegraph-ai/_index.md

@@ -167,6 +167,6 @@ hugegraph-ai 采用 [Apache 2.0 许可证](https://github.com/apache/incubator-h
 
 - **GitHub Issues**：[报告错误或请求功能](https://github.com/apache/incubator-hugegraph-ai/issues)（响应最快）
 - **电子邮件**：[dev@hugegraph.apache.org](mailto:dev@hugegraph.apache.org)（[需要订阅](https://hugegraph.apache.org/docs/contribution-guidelines/subscribe/)）
-- **微信**：关注“Apache HugeGraph”官方公众号
+- **微信**：关注 "Apache HugeGraph" 微信公众号
 
 <img src="https://raw.githubusercontent.com/apache/hugegraph-doc/master/assets/images/wechat.png" alt="Apache HugeGraph WeChat QR Code" width="200"/>

content/en/_index.html

@@ -75,10 +75,10 @@ <h1 class="text-center">The first graph database project in Apache</h1>
 {{% /blocks/feature %}}
 
 
-{{% blocks/feature icon="fab fa-weixin" title="Follow us on Wechat!" url="https://twitter.com/apache-hugegraph" %}}
-Follow the official account "HugeGraph" to get the latest news
+{{% blocks/feature icon="fab fa-slack" title="Join us on Slack!" url="https://the-asf.slack.com/archives/C059UU2FJ23" %}}
+Join the [ASF Slack channel](https://the-asf.slack.com/archives/C059UU2FJ23) for community discussions
 
-PS: twitter account it's on the way
+Could also follow the WeChat account "HugeGraph" for updates
 {{% /blocks/feature %}}
 
 

content/en/docs/quickstart/hugegraph-ai/_index.md

@@ -167,6 +167,6 @@ hugegraph-ai is licensed under [Apache 2.0 License](https://github.com/apache/in
 
 - **GitHub Issues**: [Report bugs or request features](https://github.com/apache/incubator-hugegraph-ai/issues) (fastest response)
 - **Email**: [dev@hugegraph.apache.org](mailto:dev@hugegraph.apache.org) ([subscription required](https://hugegraph.apache.org/docs/contribution-guidelines/subscribe/))
-- **WeChat**: Follow "Apache HugeGraph" official account
+- **WeChat**: Follow "Apache HugeGraph" on WeChat
 
 <img src="https://raw.githubusercontent.com/apache/hugegraph-doc/master/assets/images/wechat.png" alt="Apache HugeGraph WeChat QR Code" width="200"/>

themes/docsy/assets/vendor/bootstrap/site/content/docs/4.6/examples/sticky-footer/sticky-footer.css

@@ -11,3 +11,4 @@
 .footer {
   background-color: #f5f5f5;
 }
+Last modified

themes/docsy/i18n/en.toml

@@ -36,7 +36,7 @@ other = "By"
 [post_created]
 other = "Created"
 [post_last_mod]
-other = "Last modified"
+other = "Page last updated"
 [post_edit_this]
 other = "Edit this page"
 [post_view_this]

themes/docsy/i18n/zh-cn.toml

@@ -34,7 +34,7 @@ other = "By"
 [post_created]
 other = "创建"
 [post_last_mod]
-other = "最后修改"
+other = "本页最后更新于"
 [post_edit_this]
 other = "编辑此页"
 [post_create_child_page]

themes/docsy/i18n/zh.toml

@@ -34,7 +34,7 @@ other = "By"
 [post_created]
 other = "创建"
 [post_last_mod]
-other = "最后修改"
+other = "本页最后更新于"
 [post_edit_this]
 other = "编辑此页"
 [post_create_child_page]