add advert detail

docs/payloads.md

@@ -41,12 +41,15 @@ Appdata
 
 Appdata Flags
 
-| Value  | Name      | Description                           |
-|--------|-----------|---------------------------------------|
-| `0x10` | location  | appdata contains lat/long information |
-| `0x20` | feature 1 | Reserved for future use.              |
-| `0x40` | feature 2 | Reserved for future use.              |
-| `0x80` | name      | appdata contains a node name          |
+| Value  | Name           | Description                           |
+|--------|----------------|---------------------------------------|
+| `0x01` | is chat node   | advert is for a chat node             |
+| `0x02` | is repeater    | advert is for a repeater              |
+| `0x03` | is room server | advert is for a room server           |
+| `0x10` | has location   | appdata contains lat/long information |
+| `0x20` | has feature 1  | Reserved for future use.              |
+| `0x40` | has feature 2  | Reserved for future use.              |
+| `0x80` | has name       | appdata contains a node name          |
 
 # Acknowledgement