Collect existing outreach materials for RSE

Ask RSE leaders for their input on what materials their groups already have for RSE outreach, getting their permission to share this. 

[RSEleaders collection of outreach and work experience](https://docs.google.com/document/d/1ufEEn6c5jGV9ILBvu0jat6r65vsmt5wrscN6pRIR9EU/edit?tab=t.0#heading=h.xzliz7s04owk)