Update CLC+Core_User_Manual_Issue_4.0_v1.qmd

Updated metadata description

Author: EEA-Tommy-Andersen

DOCS/clcplus-core/CLC+Core_User_Manual_Issue_4.0_v1.qmd

@@ -2,7 +2,7 @@
 author: European Environment Agency (EEA)
 category: products
 date: '2023-12-22'
-description: Product DESCRIPTION
+description: User Guide
 product-name: CLC+ Core User Manual
 subtitle: CLC+ Core production and provision of complementary consultancy
 template-version: 1.0.0