feat(image-zoom): add minimal image zoom functionality

- Introduced CSS for image zoom overlay and image styling.
- Implemented JavaScript for handling image zoom interactions, including overlay creation and close functionality.
- Updated configuration to enable image zoom feature in site parameters.
- Added partial for including image zoom assets in the layout.

docs/hugo.yaml

@@ -238,3 +238,6 @@ params:
       # inputPosition: top
       # lang: en
       # theme: noborder_dark
+
+  imageZoom:
+    enable: true