New Meta-bridge instuctions, obsolete separate bots for FB/insta

Signed-off-by: Sami Olmari: <[email protected]>

Author: olmari

src/SUMMARY.md

@@ -13,8 +13,7 @@
   - [Jitsi](./services/jitsi.md)
   - [Matrix](./matrix/README.md)
     - [Discord](./matrix/discord.md)
-    - [Facebook](./matrix/facebook.md)
-    - [Instagram](./matrix/instagram.md)
+    - [Meta](./matrix/meta.md) (Facebook+Instagram)
     - [GMessages](./matrix/gmessages.md)
     - [Signal](./matrix/signal.md)
     - [Slack](./matrix/slack.md)

src/matrix/facebook.md

@@ -1,18 +1,20 @@
-# Matrix<->Instagram bridge
+# Matrix<->Meta (Facebook chat and Instaram chat) bridge
 
 This instance uses Mautrix-Meta software
 
 Up to date info about bridge itself: <https://docs.mau.fi/bridges/go/meta/index.html>
 
 ## What?
 
-An Matrix<->Instagram chat bridge for receiving and sending Instagram chat messages with Matrix-client.
+An Matrix<->Facebook+Instagram chat bridge for receiving and sending Facebook and Instagram chat messages with Matrix-client.
 
 ## Set up
 
+There are two flavours of this bridge, here are their main differences:
+
 ### Logging in
 
-- Open chat with `@instagrambot:hacklab.fi`
+- Open chat with either `@meta:hacklab.fu`.
 - Send `login`
 - Follow any instructions bot gives.
 - Recent chats should now get portals automatically. Other chats will get portals as you receive messages.