This is not a plugin, this is an add-on for ItemsAdder. For the actual plugin, click here.
Installation
1) Install ItemsAdder and CustomShop plugin's jar. You can safely ignore the resource pack provided in the plugin's .zip. 2) Download the .zip file here and extract its content into their respective directories under ItemsAdder/data folder 3) Run /iazip to compress the resources and upload the new .zip file (e.g. Dropbox) 4) Update ItemsAdder's config.yml with the new resource link and do /iareload (and /iatexture all) 5) DO NOT add any permissions for default players to craft or view custom shops in /ia