Version 1.0 - Initial Release

This is the initial release of the "Paid Memberships Pro - SpacesEngine Integration" plugin.
Features include:

• Assign PMPro level group and configure SpacesEngine plans.
• Enable/disable SpacesEngine features per PMPro membership level.
• Configure default listings to pre-populate the directory.
• Restrict access to the "Create New Space" page based on membership.
• Define costs for featured and promoted listings.
• Handle membership cancellations by updating spaces to draft.