Update docs and screenshots

tools/tuxdmx-midi-bridge/tests/test_config.py

@@ -0,0 +1,25 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from tuxdmx_midi_bridge.config import load_config
+
+
+def test_load_config_prefers_env_token(monkeypatch, tmp_path: Path) -> None:
+    config_path = tmp_path / "config.yaml"
+    config_path.write_text(
+        """
+bridge_id: bridge-a
+server:
+  url: "http://127.0.0.1:8000/api/v1/integrations/midi/bridge"
+  api_token: "yaml-token"
+midi:
+  device_name: "USB MIDI"
+""".strip(),
+        encoding="utf-8",
+    )
+    monkeypatch.setenv("TUXDMX_API_TOKEN", "env-token")
+    config = load_config(config_path)
+    assert config.server.api_token == "env-token"
+    assert config.bridge_id == "bridge-a"
+