Add RFID token management actions to Peblar docs

Documents three new actions added in home-assistant/core#169189:
peblar.list_rfid_tokens, peblar.add_rfid_token, and
peblar.remove_rfid_token for managing the charger's standalone
authorization list.

Author: Frank Klaassen

source/_integrations/peblar.markdown

@@ -231,8 +231,34 @@ instantly.
 
 ## Actions
 
-This integration does not provide additional actions. All actions available
-for this integration are provided by their respective entities.
+The Peblar integration provides the following actions to manage the RFID tokens in the charger's standalone authorization list.
+
+### Action: List RFID tokens
+
+The `peblar.list_rfid_tokens` action returns all RFID tokens currently configured in the charger's standalone authorization list.
+
+| Data attribute | Optional | Description |
+| --- | --- | --- |
+| `config_entry_id` | No | The Peblar charger to retrieve the RFID token list from. |
+
+### Action: Add RFID token
+
+The `peblar.add_rfid_token` action adds a new RFID token to the charger's standalone authorization list.
+
+| Data attribute | Optional | Description |
+| --- | --- | --- |
+| `config_entry_id` | No | The Peblar charger to add the RFID token to. |
+| `uid` | No | The unique identifier (UID) of the RFID token to add. |
+| `description` | No | A human-readable label for this RFID token, for example, the name of the person it belongs to. |
+
+### Action: Remove RFID token
+
+The `peblar.remove_rfid_token` action removes an RFID token from the charger's standalone authorization list.
+
+| Data attribute | Optional | Description |
+| --- | --- | --- |
+| `config_entry_id` | No | The Peblar charger to remove the RFID token from. |
+| `uid` | No | The unique identifier (UID) of the RFID token to remove. |
 
 ## Examples