add pydantic settings

settings.py

@@ -0,0 +1,13 @@
+from pydantic import Field
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+class Settings(BaseSettings):
+    jellyfin_server_url: str = Field(..., env="JELLYFIN_SERVER_URL")
+    jellyfin_username: str = Field(..., env="JELLYFIN_USERNAME")
+    jellyfin_password: str = Field(..., env="JELLYFIN_PASSWORD")
+
+    discord_app_id: str = Field(..., env="DISCORD_APP_ID")
+
+    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8")
+
+settings = Settings()