add intro to charter and link on SC page

Author: cathmmitchell

about/ohw-charter.md

@@ -7,6 +7,10 @@ permalink: charter.html
 
 # Charter
 
+The [OceanHackWeek Steering Committee](https://oceanhackweek.github.io/about/steering_committee.html) has a charter to guide the evolution of OceanHackWeek and focus on longer term tasks. The charter defines the roles and responsibilities of the Steering Committee and its members, terms of reference and a decision making structure. 
+
+The Steering Committee Charter will be revisited yearly and revised as necessary.
+
 ## Steering Committee
 
 ### Responsibilities of the Steering Committee

about/steering_committee.md

@@ -6,7 +6,7 @@ description: OceanHackWeek Steering Committee
 
 # Steering Committee
 
-The OceanHackWeek Steering Committee helps chart the continued evolution of OceanHackWeek and focuses on longer term issues like funding and infrastructure.
+The OceanHackWeek Steering Committee helps chart the continued evolution of OceanHackWeek and focuses on longer term issues like funding and infrastructure. The [Steering Committee Charter](https://oceanhackweek.github.io/about/charter.html) guides these efforts.
 
 ## Current Members