update pdf file on core api page (#785)

* Update faq

* add linking (#754)

* fix missing buttons issue

* update dataset text

* CORE update api pdf file

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Co-authored-by: mcancellieri <mcancellieri@users.noreply.github.com>

Author: ekachxaidze98

data/services/api.yml

@@ -16,7 +16,7 @@ header:
        url: '#form'
      - caption: Download our flyer
        variant: text
-       url: /resources/core-api-flyer.pdf
+       url: /resources/Flyer-API-Service.pdf
        target: _blank