Is your feature request related to a problem? If so, please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

Describe the solution you'd like.
Show the max stack for items in items´s tooltips

Describe other alternatives you've considered.
A clear and concise description of any alternative solutions or features you've considered.
Install another addon just to it

Any additional context?
Add any other context or screenshots about the feature request here.