Add customisation section following unique id's addition

info.md

@@ -8,6 +8,16 @@ The `rpi_rf` switch platform allows you to control devices over 433/315MHz LPD/S
 Interoperable with codes sniffed via [the rpi-rf module](https://pypi.python.org/pypi/rpi-rf) or [rc-switch](https://github.com/sui77/rc-switch).
 For more info see the PyPi module description: [rpi-rf](https://pypi.python.org/pypi/rpi-rf).
 
+# Installation
+
+### HACS
+
+The recommended way to install `rpi_rf` is through [HACS](https://hacs.xyz/).
+
+### Manual installation
+
+Copy the `rpi_rf` folder and all of its contents into your Home Assistant's `custom_components` folder. This folder is usually inside your `/config` folder. If you are running Hass.io, use SAMBA to copy the folder over. You may need to create the `custom_components` folder and then copy the `rpi_rf` folder and all of its contents into it.
+
 ## Configuration
 
 To enable, add the following to your `configuration.yaml`:
@@ -45,4 +55,21 @@ switch:
 | `protocol`           | no       |  `1`    | integer | RF Protocol.                                                                                                                  |
 | `pulselength`        | no       |         | integer | Pulselength.                                                                                                                  |
 | `signal_repetitions` | no       |  `10`   | integer | Number of times to repeat transmission.                                                                                       |
-| `length`             | no       |  `24`   | integer | Code Length.                                                                                                                  |
+| `length`             | no       |  `24`   | integer | Code Length |
+
+
+
+## Additional Customisation
+
+Thanks to the [work](https://github.com/markvader/ha-rpi_rf/pull/48) of [@oskargert](https://www.github.com/oskargert) this integration's switch entities now utilises unique_id's which allow us to customise a lot more features within home assistant such as Icons, Show as, Area and the ability to quickly rename the Entity Name & Entity ID. Just click on the entity name, then go to the settings tab, and make it your own.
+
+![additional customisation rpi-rf](https://user-images.githubusercontent.com/217953/192374175-fe598f1b-e1c0-45ab-a167-d6c199902100.png)
+
+
+**An important note on this.**
+- The unique_id for each entity is generated from the code_on & code_off values.
+- Should you change these in the future and/or add additional code(s) to a code sequence, the unique_id will be regenerated and Home Assistant will recognise a new entity.
+- It is safe to remove the old entity (It will show as "restored" in the list of entities).
+- The old entity and its customisation (icon, area etc) will be lost and you will need to reenter these customisations for the new entity.
+
+- Additionally, you will be unable to have two entities with identical code_on & code_off values (not sure thats ever likely to happen as if you had more than one device in a home with the same RF codes as it would be impossible to control a single device.)