Add Tessie support

Author: Bre77

README.md

@@ -102,3 +102,31 @@ async def main():
 
 asyncio.run(main())
 ```
+
+## Tessie
+This extends TeslaFleetApi to send requests through Tessie, which manages all aspects of Tesla OAuth. This class only requires an access_token from [Tessie](https://dash.tessie.com/settings/api).
+
+```
+import asyncio
+import aiohttp
+
+from tesla_fleet_api import Tessie
+from tesla_fleet_api.exceptions import TeslaFleetError
+
+
+async def main():
+    async with aiohttp.ClientSession() as session:
+        api = Tessie(
+            access_token="<access_token>",
+            session=session,
+            raise_for_status=True,
+        )
+
+        try:
+            data = await api.vehicle.list()
+            print(data)
+        except TeslaFleetError as e:
+            print(e)
+
+asyncio.run(main())
+```

tesla_fleet_api/__init__.py

@@ -1,6 +1,7 @@
 from .teslafleetapi import TeslaFleetApi
 from .teslafleetoauth import TeslaFleetOAuth
 from .teslemetry import Teslemetry
+from .tessie import Tessie
 from .charging import Charging
 from .energy import Energy
 from .energyspecific import EnergySpecific

tesla_fleet_api/tessie.py

@@ -0,0 +1,27 @@
+import aiohttp
+from typing import Any
+from .teslafleetapi import TeslaFleetApi
+from .const import Method
+
+
+class Tessie(TeslaFleetApi):
+    def __init__(
+        self,
+        session: aiohttp.ClientSession,
+        access_token: str,
+        raise_for_status: bool = True,
+    ):
+        """Initialize the Tessie API."""
+        super().__init__(
+            session,
+            access_token,
+            server="https://api.tessie.com",
+            raise_for_status=raise_for_status,
+            partner_scope=False,
+            user_scope=False,
+            energy_scope=False,
+        )
+
+    async def find_server(self):
+        """Find the server URL for the Tesla Fleet API."""
+        raise NotImplementedError("Do not use this function for Teslemetry.")