Things to consider
- Will need to select/set Knowledge Base for articles.
- OOB contextual Knowledge search requires save before attaching to incident is available, probably some way to turn this off
- OneSearch can be modified to allow for attaching with template : https://dev15112.service-now.com/nav_to.do?uri=sn_onesearch_sections.do?sys_id=8f0f64630f603100c8badf2be1050ec4
- Make sure this still works