Rip out unmaintained dependency_injector; also now mypy checking on all object creation is accurate

Author: mfenniak

.gitignore

@@ -2,6 +2,5 @@ __pycache__
 .direnv
 result
 emulator_config.json
-config.py
 .mypy_cache
 .localenvrc

config.py

@@ -0,0 +1,32 @@
+from dataclasses import dataclass, field
+from typing import Literal
+
+@dataclass
+class MQTTConfig:
+    hostname: str
+    port: int
+    username: str
+    password: str
+    discovery_prefix: str
+    discovery_node_id: str
+    discovery_object_id: str
+
+@dataclass
+class LocationConfig:
+    latitude: float
+    longitude: float
+
+@dataclass
+class AppConfig:
+    mode: Literal["real"] | Literal["emulated"]
+    gpio_hardware_mapping: str
+    gpio_slowdown: int
+    purpleair_url: str
+    display_tz: str
+    calendar_ical_url: str
+    font_path: str
+    icon_path: str
+    mqtt: MQTTConfig
+    homeassistant_media_mqtt_topic: str | None
+    location: LocationConfig
+    weather_mqtt_topic: str