docs: clarify DATABASE_URL vs DB_PATH precedence (#206)#234

haidrrrry wants to merge 2 commits into

HKUDS:mainHKUDS/AI-Trader:mainfrom

haidrrrry:contribute/hkuds-env-clarityhaidrrrry/AI-Trader:contribute/hkuds-env-clarityCopy head branch name to clipboard