* Update docs

* add v3 docs

* add note about kotlin targets

* Apply suggestions from code review

Co-authored-by: Charis <26616127+charislam@users.noreply.github.com>

* Update apps/docs/spec/supabase_kt_v3.yml

Co-authored-by: Charis <26616127+charislam@users.noreply.github.com>

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Co-authored-by: Charis <26616127+charislam@users.noreply.github.com>