Add agentex_dev_doctor for OSS local dev preflight#358

Abhishek21g wants to merge 2 commits into

scaleapi:mainscaleapi/scale-agentex:mainfrom

Abhishek21g:fix/agentex-dev-doctorAbhishek21g/scale-agentex:fix/agentex-dev-doctorCopy head branch name to clipboard