tests

Add claude.md file and benchmarking for initial crossmatching code #189

Job	Run time
setup	35s
check_transformations (gaia)	5m 30s
check_transformations (tess)	3m 10s
check_transformations (vipers)	3m 29s
check_transformations (hsc)	4m 19s
check_transformations (foundation)	3m 11s
check_transformations (desi)	3m 16s
check_transformations (des_y3_sne_ia)	3m 24s
check_transformations (gz10)	3m 16s
check_transformations (btsbot)	3m 25s
check_transformations (legacysurvey)	3m 27s
check_transformations (ssl_legacysurvey)	3m 28s
check_transformations (ps1_sne_ia)	3m 16s
check_transformations (sdss)	3m 45s
check_transformations (chandra)	3m 52s
check_transformations (manga)	3m 58s
check_transformations (snls)	3m 32s
check_transformations (csp)	3m 18s
check_transformations (plasticc)	3m 16s
check_transformations (cfa)	3m 17s
check_transformations (yse)	3m 9s
check_transformations (swift_sne_ia)	3m 32s
	1h 15m 25s

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