Integrate gitlab-ci/html-new-logo and 4 more

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@bf6de920

convert_md2html: new font style for main text

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@dc43f865

convert_md2html: move content to left

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@f0088d25

convert_md2html: fix long commands

Several blocks of code are too long and don't fit on the page.
Words are not wrapped to the next line.
To fix this, adjust the span slacc in css.

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@caa6efa2

convert_md2html: restore several css rules

- fix h1 color
- fix missing gorizontal line above h1
- increased h2 font size
- fix missing borders for table
- restore link style

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@28a1bc5e

convert_md2html: Update the style for the generated html file