Add server timing headers in development #1867

Job	Run time
compile_and_lint	1m 44s
test (mysql, mysql, mysql://root:[email protected]/sqlpage)	1m 14s
test (postgres, postgres, postgres://root:[email protected]/sqlpage)	1m 39s
test (mssql, mssql, mssql://root:[email protected]/sqlpage)	1m 52s
test (odbc, postgres, Driver=/usr/lib/x86_64-linux-gnu/odbc/psqlodbcw.so;Server=127.0.0.1;Port=54...	3m 20s
windows_test	3m 24s
docker_build (linux/arm/v7)	4m 30s
docker_build (linux/amd64)	4m 26s
docker_build (linux/arm64)	4m 57s
docker_push	0s
	27m 6s

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