Fixes #4875: Fix documentation for image attachments

docs/models/extras/imageattachment.md

@@ -0,0 +1,3 @@
+# Image Attachments
+
+Certain objects in NetBox support the attachment of uploaded images. These will be saved to the NetBox server and made available whenever the object is viewed.

docs/release-notes/version-2.8.md

@@ -4,6 +4,7 @@
 
 ### Bug Fixes
 
+* [#4875](https://github.com/netbox-community/netbox/issues/4875) - Fix documentation for image attachments
 * [#4876](https://github.com/netbox-community/netbox/issues/4876) - Fix labels for sites in staging or decommissioning status
 
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