[docs] Adding azk's changelog into book.json
[docs] Adding azk's changelog into book.json

azukiapp/azk,gullitmiranda/azk,nuxlli/azk,slobo/azk,slobo/azk,fearenales/azk,marcusgadbem/azk,saitodisse/azk,fearenales/azk,saitodisse/azk,gullitmiranda/azk,nuxlli/azk,azukiapp/azk,marcusgadbem/azk