WooCommerce Pincode/ Zipcode Checker 3.2.0

• Add: Product category-based pincode/zipcode options for product level.
• Add: Wildcard and Regex options for product level.
• Add: Comma separated matching for store level.
• Tweak: Add the pincode field in the edit page.
• Tweak: Add wildcard & regex availability while adding or editing pincode/postcode.
• Implement various performance improvements.

Fix: REST API conflict.