Create the stack structure
Stacks are added to an extension’s structure in a /stack
directory that is at the same level as the extension’s ext.json
file.
Each stack should have its own child directory in the /stack
directory. The following example shows the directories and files that can be included
for a stack:
<extension-name> : the root folder of your extension
ext.json
stack/
<stack-type>/
stack.json
templates/
stack.template
less/
stack.less
stack-variables.less
locales/
<locale code>.json
<another locale code>.json