Propose OBO Newsletter Steward role (OBOFoundry#2318)

* propose OBO Newsletter Steward role

* Apply suggestions from code review

* Update roles.yml

Author: matentzn

_data/roles.yml

@@ -79,6 +79,25 @@
       orcid: 0000-0002-7356-1779
       status: support
       start: "0000-00-00"
+- name: OBO Newsletter Steward
+  open: true
+  commitment: 2-4 hours per month
+  requirements:
+    - Should have a basic journalistic instinct, compiling the most relevant discussion points, decisions and issues for the wider community
+  description: You will be responsible for managing, compiling and disseminating the OBO Newletter
+  responsibilities:
+    - Manage a Google doc with the current and previous newsletter drafts based on the newsletter skeleton
+    - Add GitHub issues and/or pull requests tagged with "newsletter" to the newsletter, with one or two sentences of summary
+    - Summarise key developments (ongoing and past) to the community, based on reports of the working groups to the Operations Committee meeting
+    - Summarise key decisions from the OBO operations calls
+    - Proactively finalise the newsletter draft for the last meeting of March, June, September and December, and requesting feedback
+    - After 10 days of requesting feedback, send the newsletter to obo-discuss mailing list
+  people:
+    - github: LK112019
+      name: Leila Kiani
+      orcid: 0009-0009-6722-6147
+      status: lead
+      start: "2023-05-01"
 - name: OBO Dashboard Maintainer
   open: false
   commitment: 2-10 hours per month