an article on dedicated vector search (#354)

* an article

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Co-authored-by: Arnaud Gourlay <arnaud.gourlay@gmail.com>

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* Update qdrant-landing/content/articles/dedicated-service.md

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* Update qdrant-landing/content/articles/dedicated-service.md

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* Update qdrant-landing/content/articles/dedicated-service.md

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* Update qdrant-landing/content/articles/dedicated-service.md

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* Update qdrant-landing/content/articles/dedicated-service.md

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* Update qdrant-landing/content/articles/dedicated-service.md

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* review fixes

* change date

---------

Co-authored-by: Arnaud Gourlay <arnaud.gourlay@gmail.com>
Co-authored-by: Steven Pousty <steve.pousty@gmail.com>

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