Update mdbook/src/README.md

6 jobs for !19 with Link-fix in 1 minute and 25 seconds (queued for 2 seconds)
latest detached
Status Job ID Name Coverage
  Build
passed #900306112
generate_part_i_markdown

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passed #900306148
validate_mdbook_and_slides

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passed #804469317
generate_part_i_markdown

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passed #804469319
validate_mdbook_and_slides

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  Test
passed #900306205
test_pages

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passed #804469320
test_pages

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