Starting well.
WHAT TO DECIDE FIRST
The framework and tooling The styling approach The state approach The structure
WHAT TO ESTABLISH IMMEDIATELY
A formatter, applied automatically A linter, with accessibility rules Type checking, where used A test setup A pipeline running all of them
WHY IMMEDIATELY
Introducing them later means fixing hundreds of violations at once.
WHAT TO CONFIGURE
Path aliases, so imports are readable Environment handling Build output, checked
WHAT TO WRITE FIRST
A readme: what it is, how to set it up, how to run it, how to deploy it.
WHAT TO COMMIT
An example configuration listing every required value.
WHAT TO ADD TO THE IGNORE FILE BEFORE THE FIRST COMMIT
Dependencies, build output, environment files.
WHY BEFORE
Because a committed secret remains in history.
WHAT TO ESTABLISH AS CONVENTIONS
Naming Folder structure Where state lives How components are documented
WHAT TO TEST
Your own setup instructions, by following them.