Add nullable category_id to pages table

[sweep-ai]

Purpose

This pull request adds a nullable category_id column to the pages table in the database. This change allows pages to be created without a category, providing more flexibility in the CMS.

Description

The changes made in this pull request are:

1. Updated the 2023_10_27_000000_create_pages_table.php migration file to make the category_id column nullable and add a foreign key constraint with a set null delete action.

Summary

• Updated database/migrations/2023_10_27_000000_create_pages_table.php file
• Made category_id column nullable on the pages table
• Added foreign key constraint on category_id column with set null delete action

Suggested changes from Sweep Chat by @curtisdelicata. Continue chatting at https://sweep-chat-demo.vercel.app/c/251f702b-1100-4dea-b9fb-a29b3021314c.