add page for bpftrace tutorial

mkdocs.yaml

@@ -69,12 +69,14 @@ nav:
       - tutorials/30-sslsniff/README.md
       - tutorials/31-goroutine/README.md
     - bcc-documents:
+      - tutorials/bcc-documents/tutorial_bcc_python_developer.md
       - tutorials/bcc-documents/kernel-versions.md
       - tutorials/bcc-documents/kernel_config.md
       - tutorials/bcc-documents/reference_guide.md
       - tutorials/bcc-documents/special_filtering.md
       - tutorials/bcc-documents/tutorial.md
-      - tutorials/bcc-documents/tutorial_bcc_python_developer.md
+    - bpftrace-tutorial:
+      - tutorials/bpftrace-tutorial/README.md
 
   - Blogs: 
     - blogs/index.md