* docs: update docs relating to getting started and Hugo modules
* docs: add docs to use Hextra as Git submodule, closes#107
* chore: use paragraph instead of callout, refactor docs
* Update getting-started.md
* Update getting-started.md
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Co-authored-by: Xin <xin@imfing.com>
fix: hide lang switch if site is not multilingual
docs: update getting started page
fix: ordered list style
chore: update hugo icon
feat: add icon shortcode page
docs: add markdown and configuration pages
docs: add diagrams page
docs: add more content
fix: mermaid background and add image styling
chore: update templates
chore: update hugo stats