Is your feature request related to a problem? Please describe.
Yes as without them being added to the tag, no modpack creators can use your pickaxes in recipes that require forge:tools/pickaxes tag

Describe the solution you'd like
The Pickaxes added to the forge:tools/pickaxes tag

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.