docs: improve documentation and testing configurations

- Add a Chinese video link to the example56 context with timeout section in the README file

Signed-off-by: Bo-Yi Wu <[email protected]>

README.md

@@ -59,7 +59,7 @@ Learning basic [Golang](https://go.dev/) in one day
 - [example53](./example53-container-base-image-updates/) A container-based solution for automating Docker container base image updates. [Chinese Blog](https://blog.wu-boy.com/2023/02/automating-docker-container-base-image-updates-cht/), [English Blog](https://blog.wu-boy.com/2023/02/automating-docker-container-base-image-updates-eng/)
 - [exmaple54](./example54-hot-reload-for-development) introduction live reload tool: air [Chinese Blog](https://blog.wu-boy.com/2023/10/live-reload-in-go/)
 - [example55](./example55-cache-hotspot-invalid/) how to invalidate cache hotspot in golang. [Chinese Blog](https://blog.wu-boy.com/2024/02/how-to-reslove-the-hotspot-invalid-using-singleflight/), [English Blog](https://blog.wu-boy.com/2024/02/how-to-reslove-the-hotspot-invalid-using-singleflight-en/)
-- [example56](./example56-context-with-timeout/) how to use context with timeout in golang. [Chinese Blog](https://blog.wu-boy.com/2024/11/learning-go-language-with-gitlab-api-zh-tw/), [English Blog](https://blog.wu-boy.com/2024/11/learning-go-language-with-gitlab-api-en/)
+- [example56](./example56-context-with-timeout/) how to use context with timeout in golang. [Chinese Blog](https://blog.wu-boy.com/2024/11/learning-go-language-with-gitlab-api-zh-tw/), [English Blog](https://blog.wu-boy.com/2024/11/learning-go-language-with-gitlab-api-en/) [Chinese Video](https://www.youtube.com/watch?v=nPn-pnOz7qc)
 
 [1]: https://github.com/golang/lint
 [2]: https://golang.org/cmd/gofmt/