Tutorial submission (#2892)

* hanzhizh-xzuo demo week4

* hanzhizh-xzuo demo week4 modified

* hanzhizh-bingjiez tutorial proposal

* Delete contributions/demo/week4/hanzhizh-xzuo/README.md

* hanzhizh-bingjiez tutorial proposal

* hanzhizh-bingjiez tutorial proposal

* submit tutorial

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Co-authored-by: zhangqiang <zhangqiang@cmict.chinamobile.com>

Author: dazhijiong

contributions/executable-tutorial/hanzhizh-bingjiez/README.md

@@ -47,3 +47,5 @@ The tutorial will be delivered on [KillerKoda](https://killercoda.com), using Li
 Observability and performance profiling are critical aspects of DevOps and Site Reliability Engineering (SRE). This tutorial introduces students to modern, cutting-edge techniques using **eBPF**, which is increasingly adopted in production environments for performance debugging, security, and monitoring.  
 
 By combining eBPF with **FlameGraph visualization**, learners can bridge the gap between raw system-level tracing and intuitive performance insights, aligning with DevOps principles of continuous improvement and operational excellence.
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+Tutorial Link: https://killercoda.com/dazhi/scenario/my-ebpf-tutorial