fix(README): fix FAQ url (#2815)

README-CN.md

@@ -54,7 +54,7 @@ cd _rel/emqx && ./bin/emqx console
 
 ## FAQ
 
-访问 [FAQ](https://docs.emqx.io/tutorial/zh/faq/faq.html) 以获取常见问题的帮助。
+访问 [FAQ](https://docs.emqx.io/tutorial/v3/cn/faq/faq.html) 以获取常见问题的帮助。
 
 ## 产品路线
 
@@ -84,4 +84,4 @@ cd _rel/emqx && ./bin/emqx console
 
 ## 开源许可
 
-Apache License 2.0, 详见 [LICENSE](./LICENSE)。
+Apache License 2.0, 详见 [LICENSE](./LICENSE)。

README.md

@@ -56,7 +56,7 @@ To view the dashboard after running, use your browser to open: http://localhost:
 
 ## FAQ
 
-Visiting [FAQ](https://docs.emqx.io/tutorial/en/faq/faq.html) to get help of common problems.
+Visiting [FAQ](https://docs.emqx.io/tutorial/v3/en/faq/faq.html) to get help of common problems.
 
 ## Roadmap
 
@@ -85,4 +85,4 @@ You can read the mqtt protocol via the following links:
 
 ## License
 
-Apache License 2.0, see [LICENSE](./LICENSE).
+Apache License 2.0, see [LICENSE](./LICENSE).