v1.2.0-beta.5

• spun out config proxy class from config loader
• renamed config cls to config schema
• better separation of concerns for config system
• renamed component config_cls -> config_schema
• switched assembler functions back to chain calls
• implemented cache directly with config dependency (necessary for new config system)
• moved all code execution out of init functions
• lifecycle start now calls config loader, and loads priv key to secure manager
• removed lifespan from fastapi app, now done using lifecycle context manager in server class to allow for config loading before uvicorn starts
• added kobj worker config