Update README.md

Added info on recurring meetings.

Signed-off-by: galibzon <[email protected]>

README.md

@@ -6,3 +6,8 @@ The [full table of previous meetings](https://o3de.github.io/sig-graphics-audio/
 
 # General Resources
 
+# Recurring Meetings (On Discord)
+sig-graphics-audio channel: https://discord.com/channels/805939474655346758/816043793576886273
+* Weekly, on Tuesdays @ 10:00am - 10:30am PST, Github Issues Triage.
+* Weekly, on Wednesdays @ 10:00am - 10:30am PST, Standup/Technical discussions.
+* Monthly, on Wednesdays @ 10:00am - 11:00am PST, Review of RFCs, Voting for major initiatives, etc.