Feature Request: Add supabase_storage_bucket resource

Description Currently, the Terraform provider lacks a way to manage Supabase Storage buckets. Storage is a core capability, and allowing users to provision and manage buckets via Terraform would be highly valuable for infrastructure-as-code workflows. I would like to propose and build the supabase_storage_bucket resource. Proposed Solution Implement full CRUD operations for storage buckets utilizing the Supabase Storage API. The initial schema would likely include: • id (String, Computed) • project_ref (String, Required) • name (String, Required) • public (Bool, Optional, Default: false) • file_size_limit (Int, Optional) • allowed_mime_types (List of Strings, Optional) Additional Context I recently contributed the endpoint validation and whitespace trimming feature (supabase/terraform-provider-supabase#352) and would love to tackle this next. Please let me know if this schema looks good and if you would accept a PR for it. I am…