docs: fix dependency link, remove stale recipe references

- clients/python → client-py GitHub link
- Removed meshcore/orac/telemetry recipes from README (scripts never existed)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

README.md

@@ -1,6 +1,6 @@
 # DongLoRa Examples
 
-Example scripts demonstrating the [Python client library](../clients/python/).
+Example scripts demonstrating the [Python client library](https://github.com/donglora/client-py).
 
 ## Running
 
@@ -11,11 +11,8 @@ just tx                     # transmit a packet
 just ping-pong --role tx    # two-dongle ping-pong demo
 just test-commands          # exercise all DongLoRa commands
 just bridge --mode server   # LoRa bridge over TCP
-just meshcore               # MeshCore packet decoder
-just orac                   # MeshCore AI bot (needs ANTHROPIC_API_KEY)
-just telemetry              # MeshCore repeater telemetry monitor
 ```
 
 ## Depends On
 
-- [clients/python](../clients/python/) — the `donglora` client library
+- [`donglora`](https://github.com/donglora/client-py) — the Python client library