v3.9.0

Changelog

• be55bd3 Add support pages (#534)
• 8f5d44e Add websocket config options to config docs
• 63c40bd Allow configuration of websocket ping pong and write wait seconds (#524)
• a09b511 Fix websocket config value defaults
• a38c1da Hide associate team to retro poker or storyboard for guest users
• 291e7ad Merge branch 'main' of github.com:StevenWeathers/thunderdome-planning-poker
• 6b15761 Optimize retro group item move and name change socket events (#531)
• fe27e81 Update CONFIGURATION.md