Refactor code structure for improved readability and maintainability

app/core/config.py

@@ -0,0 +1,23 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    """Application settings."""
+
+    model_config = SettingsConfigDict(
+        env_file=".env",
+        env_file_encoding="utf-8",
+        env_ignore_empty=True,
+        extra="ignore",
+    )
+
+    HOST: str = "localhost"
+    PORT: int = 8000
+    RELOAD: bool = True
+    LOG_LEVEL: str = "info"
+
+    DATABASE_URL: str = "sqlite+aiosqlite:///data/soundboard.db"
+    DATABASE_ECHO: bool = False
+
+
+settings = Settings()