Update step-01.md, step-02.md, step-03.md, step-04.md, step-05.md, step-06.md,...

Update step-01.md, step-02.md, step-03.md, step-04.md, step-05.md, step-06.md, step-07.md, step-08.md, step-09.md, step-10.md, step-11.md, README.md files
Deleted SUMMARY.md
1 job for master
Status Job ID Name Coverage
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canceled #49
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