fix: move dir attribute to html tag

[ldez]

Moves dir from body to html.

When rendering the element, the used values of CSS properties “writing-mode”, “direction”, and “text-orientation” on the element are taken from the computed values of the element, not from the element’s own values. Consider setting these properties on the :root CSS pseudo-class. For more information see “The Principal Writing Mode” in https://www.w3.org/TR/css-writing-modes-3/#principal-flow

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