HomeElementl

[4/n init_resources] init_resources context manager

Description

[4/n init_resources] init_resources context manager

Summary: This diff adds a standalone context manager for initializing resources.

Test Plan: test_resource_initialization.py

Reviewers: alangenfeld, sandyryza

Reviewed By: alangenfeld

Differential Revision: https://dagster.phacility.com/D6741

Details