Mention ESPTouch protocol to pair without the Intex App (#87)

README.md

@@ -11,8 +11,8 @@ Intex brand is not involved in any way with this integration.
 Please read the [license] file before use, and the manufacturer documentation.
 
 ## What it does
-This component relies on [Intex Spa Python package][intex_spa_package].\
-It connects to your spa via your local network, and does not rely on the cloud.
+This integration relies on [Intex Spa Python package][intex_spa_package].\
+This integration connects to your spa via your local network, and does not rely on the cloud. Your spa just needs to be paired with your wifi[^0].
 
 This component will set up the following entities:
 
@@ -31,6 +31,7 @@ Platform | Entity | Description | Entity status
 `sensor` | Error description | Eventual action to take to solve the error
 `sensor` | Error code | Eventual uppercase error code | Disabled by default[^1]
 
+[^0]: Use the official Intex App to pair your Spa with your wifi network, or [try ESPTouch as suggested by @FreezyExp][esptouch_issue]
 [^1]: Some sensors are disabled by default because they are not needed by most of the users.
   There is no risk or side effect in enabling them if necessary.
 
@@ -86,3 +87,4 @@ The versioning of this integration follows Semantic Versioning 2.0.0
 [releases]: https://github.com/mathieu-mp/homeassistant-intex-spa/releases
 [devcontainer]: https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/mathieu-mp/homeassistant-intex-spa
 [devcontainer-badge]: https://img.shields.io/static/v1?label=Remote%20-%20Containers&message=Open&color=blue&logo=visualstudiocode
+[esptouch_issue]: https://github.com/mathieu-mp/homeassistant-intex-spa/issues/51