Add a revision history

Author: Daisuke Baba

README.md

@@ -3,6 +3,8 @@ node-red-contrib-generic-ble
 
 A Node-RED node for providing access to generic BLE devices via GATT.
 
+**ALPHA RELEASE** : not yet available in [flows.nodered.org](https://flows.nodered.org)
+
 # How to install
 
 ```
@@ -32,3 +34,7 @@ Set `GENERIC_BLE_TRACE=true` on starting Node-RED.
 Connecting to peripherals keeps failing in some cases after selecting a BLE peripheral from the scan result select box in the Generic BLE node configuration dialog. If you get stuck in that case, stop Node-RED and run `sudo hciconfig hci0 reset` (replace `hci0` with a proper interface if necessary) then start Node-RED again.
 
 # Revision History
+
+* 0.1.0
+  - Initial Release (alpha)
+  - `node-red` keyword is not yet added