v1.1.0

What New

Add skip_oxygen_sync feature to products and update installation process

• Introduced skip_oxygen_sync attribute to spree_products table via migration.
• Added checkbox for skip_oxygen_sync in the product form sidebar.
• Updated locale files for English and Greek to include translations for the new attribute.
• Created an install generator to handle migrations during installation.
• Updated README with installation instructions.

Full Changelog: v1.1.2...v1.1.0