feat(docs): add PkgManagers tabs

[gioboa]

[netlify[bot]]

‼️ Deploy request for qwik-insights rejected.

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🔨 Latest commit	d24da52783e69f67504f16d5a44679ba9296a802

[pkg-pr-new[bot]]

commit: 5c48714

npm i https://pkg.pr.new/@builder.io/qwik@6636

npm i https://pkg.pr.new/@builder.io/qwik-city@6636

npm i https://pkg.pr.new/eslint-plugin-qwik@6636

npm i https://pkg.pr.new/create-qwik@6636

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[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: 3cc117add436841bc6e12168289b26a5d39c4469

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[gioboa]

It builds correctly