[jamram82]

There are lot of resources you seek. Few to get started.

Books - Michael Lopp presents his full arc of transition in his book Small Things Done Well https://www.amazon.com/Art-Leadership-Small-Things-Done/

Newsletter - Louis Bacaj transitioned from SW Engrr to CTO. His newsletter can help.He is helpful over twitter DM well

Courses - David Kline runs a cohort course on maven.com on management. Worthwhile but expensive

Mentor - seek a mentor inside and outside the company.