docs: add SQLite pool configuration example #2092

Job	Run time
Check	1m 27s
Functional Test (MySQL)	1m 14s
Functional Test (PostgreSQL)	1m 25s
Functional Test (SQLite)	1m 1s
Integration Test (macOS-15-intel)	2m 27s
Build (ubuntu-latest)	1m 43s
Integration Test (macOS-latest)	1m 29s
Build (macOS-latest)	1m 3s
Build (macOS-15-intel)	3m 15s
Integration Test (ubuntu-latest)	1m 3s
Build (windows-latest)	3m 5s
	19m 12s

Provide feedback