feat(config): add Settings class extending pydantic BaseSettings

server/config.py

@@ -0,0 +1,10 @@
+from pydantic_settings import BaseSettings
+
+class Settings(BaseSettings):
+    app_name: str = "RedTeamOS"
+    debug: bool = False
+    max_turns: int = 10
+
+    class Config:
+        env_file = ".env"
+        env_file_encoding = "utf-8"