docs(admin-api) Content types support multipart. (#1889)
docs(admin-api) Content types support multipart. (#1889)

* docs(admin-api) Content types support multipart.

Added multipart as supported content type, and moved
JSON format to beginning of section.

* Update app/2.0.x/admin-api.md

Co-Authored-By: lena-larionova <f2067920b16f0da6711eb84739d83dcaca411c08@users.noreply.github.com>

* Update app/2.0.x/admin-api.md

Co-Authored-By: lena-larionova <f2067920b16f0da6711eb84739d83dcaca411c08@users.noreply.github.com>

Co-authored-by: lena-larionova <f2067920b16f0da6711eb84739d83dcaca411c08@users.noreply.github.com>
Mashape/getkong.org,Mashape/getkong.org,Mashape/getkong.org