Added categories to yamls

TheBungalow/metadata.yaml

@@ -1,4 +1,5 @@
 Name: "The Bungalow"
+Category: "Environments"
 Description: >
   A modern bungalow interior pack with complete room layout, meshes, and materials,
   ready for quick scene assembly with included prefabs and environment assets.

TheLoft/metadata.yaml

@@ -1,4 +1,5 @@
 Name: "The Loft"
+Category: "Environments"
 Description: >
   A modern loft interior pack with furniture, decor, and deck elements,
   including materials and textures for quick scene assembly.

TheOffice/metadata.yaml

@@ -1,4 +1,5 @@
 Name: "The Office"
+Category: "Environments"
 Description: >
   A realistic office interior pack featuring desks, chairs,
   workstations, lighting, and common office props for quick