[Docs] Re-arch on doc and make QwQ doc work (#271)

### What this PR does / why we need it?
Re-arch on tutorials, move singe npu / multi npu / multi node to index.
- Unifiy docker run cmd
- Use dropdown to hide build from source installation doc
- Re-arch tutorials to include Qwen/QwQ/DeepSeek
- Make QwQ doc works

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
CI test



Signed-off-by: Yikun Jiang <yikunkero@gmail.com>

docs/source/conf.py

@@ -72,6 +72,8 @@ myst_substitutions = {
     # This value should be updated when cut down release.
     'pip_vllm_ascend_version': "0.7.3rc1",
     'pip_vllm_version': "0.7.3",
+    # CANN image tag
+    'cann_image_tag': "8.0.0-910b-ubuntu22.04-py3.10",
 }
 
 # Add any paths that contain templates here, relative to this directory.