add q parameter for free-text search #596

Job	Run time
sdist	9s
macos (x86_64)	28s
linux (x86_64)	1m 3s
changes	3s
macos (aarch64)	23s
linux (x86)	1m 30s
windows (x64)	1m 16s
linux (aarch64)	3m 4s
windows (x86)	1m 56s
linux (armv7)	1m 25s
linux (s390x)	1m 53s
linux (ppc64le)	1m 12s
Build and push base postgres image	0s
Build and push base pyrust	0s
test	0s
	14m 22s

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