backend: add pagination and filtering for workspaces

[ap0nia]

Summary

Modify the schema, backend service and controller to accommodate additional search parameters for workspaces.

Specifications

• parameters

  • cursor (any)
  • sort ("name" or "createdAt" or "lastModified")
  • orderBy ("asc" or "desc")

• Modify/create the schema for searching

• Modify the backend service to accept the new parameters

• Connect the schema, service, and controller with each other to facilitate the endpoint