[FEATURE] Add access to install placeholders in various blocks

[voronindim]

Is this a unique feature?

• [X] I have checked "open" AND "closed" issues and this is not a duplicate

Is your feature request related to a problem/unavailable functionality? Please describe.

Add access to install placeholders in various blocks

Proposed Solution

I would like the plugin type to have its own custom placeholder

Screenshots

No response

Do you want to work on this issue?

No

If "yes" to the above, please explain how you would technically implement this (issue will not be assigned if this is skipped)

No response