Updated the Quickstart description in README.md to improve clarity.

[istinye73]

The phrase "with all the batteries included" is an informal idiom that may be unclear for non-native English speakers. Replaced with a clearer, more professional description.
Minor wording change only, no functional impact.
No testing required, documentation change only.

[cb-heimdall]

🟡 Heimdall Review Status

Requirement	Status	More Info
Reviews	🟡 0/1	Denominator calculation Show calculation 1 if user is bot 0 1 if user is external 0 2 if repo is sensitive 0 From .codeflow.yml 1 Additional review requirements Show calculation Max 0 0 From CODEOWNERS 0 Global minimum 0 Max 1 1 1 if commit is unverified 0 Sum 1

[vercel]

@istinye73 is attempting to deploy a commit to the Coinbase Team on Vercel.

A member of the Team first needs to authorize it.