docs: clarify `npm run dev` (#69) #292

Job	Run time
Check Formatting	27s
Dependencies Audit	31s
TS Typecheck	23s
Generate WPGraphQL schema / Generate Schema from ref `develop`	1m 36s
Test Build (Node v20)	39s
Unit Tests (Node v20)	49s
ESLint	44s
	5m 9s

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