Update Matrix bridges

chat/index.markdown

@@ -109,7 +109,8 @@ Matrix offers an extremely wide range of features and connectivity. The followin
 - Federation with "the internet" and other ETH homeservers
 - Integrations: widgets, bridges & bots ([[instructions|/chat/element/integrations]])
 - Bots ([[gitlab integration|/chat/matrix/bots#gitlab]], [[reminders|/chat/matrix/bots#reminders]], RSS feeds and [[more|/chat/matrix/bots]])
-- Slack compatible [[Webhooks|/chat/matrix/bridges#webhooks-slack-compatible]]
+- [[Webhook bridge|/chat/matrix/bridges#hookshot]] to send notifications via HTTP requests
+- [[IRC bridge|/chat/matrix/bridges#heisenbridge]] to use Matrix as an IRC bouncer
 - [[Slack bridge|/chat/matrix/bridges#slack]] or puppeting bridge
 - Migrate Slack workspace to Matrix ([export your workspace](https://slack.com/intl/en-ch/help/articles/201658943-Export-your-workspace-data) and [[contact us|/services/contact]])
 - Labs features enabled [Element Web](https://labs-element.phys.ethz.ch/) or [configure your Desktop App](https://labs-element.phys.ethz.ch/config.json)
@@ -123,11 +124,6 @@ Matrix offers an extremely wide range of features and connectivity. The followin
 
 - Shared whiteboard [[integrations|/chat/element/integrations]] (widget)
 
-### Things we have on the radar and will be looking into
-
-- More bots as they come in from the community
-- More bridges to connect to other networks (like IRC)
-
 ### Roadmap (probably in this order)
 
 - ISG made bots