* New questions and spell check (#181)
Added new questions related with KVM, Libvirt and DNF
* Improve run_ci script readability
* Change shell in workflow
* Smoother practice experience
* update ci to check all md files
* fix some syntax
* fix README-zh_CN.md
* update syntax_lint accorging to PEP8
* Temporarily delete this question 'Explain the sidecar container pattern' to pass the workflow
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Co-authored-by: zhangzhen <zhangzhen@nao.cas.cn>
Co-authored-by: Arie Bregman <bregman.arie@gmail.com>
