feat(api): add email configuration

api/libretime_api/settings/_schema.py

@@ -1,3 +1,5 @@
+from typing import Literal, Optional
+
 from libretime_shared.config import (
     BaseConfig,
     DatabaseConfig,
@@ -5,6 +7,20 @@ from libretime_shared.config import (
     RabbitMQConfig,
     StorageConfig,
 )
+from pydantic import BaseModel
+
+
+class EmailConfig(BaseModel):
+    from_email: str = "no-reply@libretime.org"
+
+    host: str = "localhost"
+    port: int = 25
+    user: str = ""
+    password: str = ""
+    encryption: Optional[Literal["ssl/tls", "starttls"]] = None
+    timeout: Optional[int] = None
+    key_file: Optional[str] = None
+    cert_file: Optional[str] = None
 
 
 class Config(BaseConfig):
@@ -12,3 +28,4 @@ class Config(BaseConfig):
     database: DatabaseConfig = DatabaseConfig()
     rabbitmq: RabbitMQConfig = RabbitMQConfig()
     storage: StorageConfig = StorageConfig()
+    email: EmailConfig = EmailConfig()