add the corsika test file

km3net_testdata/data/corsika/datacard_run_000001.inp

+RUNNR   1                            run number
+EVTNR   1                              number of first shower event
+NSHOW   10                            number of showers to generate
+PRMPAR  14                            particle type of prim. particle
+ESLOPE  -2.0                           slope of primary energy spectrum
+ERANGE  1.1E6  0.9E8                      energy range of primary particle [GeV]
+THETAP  0. 87.                         range of zenith angle (degree)
+PHIP    -180.  180.                    range of azimuth angle (degree)
+SEED    1000001   0   0                   seed for 1. random number sequence
+SEED    5000001   0   0                   seed for 2. random number sequence
+OBSLEV  0.                             observation level (in cm)
+FIXCHI  0.                             starting altitude (g/cm**2)
+MAGNET  25.2179 38.4848                	magnetic field inbetween ARCA and ORCA averaged over 2019 (IGRF)
+HADFLG  0  0  0  0  0  2               flags hadr.interact.&fragmentation
+ECUTS   3.E2  3.E2 1.E3 1.E3           energy cuts for particles (hadrons/nuclei->~neutrinos,muons,electrons,photons)
+ATMOD 0
+ATMLAY	1750000.	4500000.	7300000.	10130000.	12500000.
+ATMA	-58.44897651964439	0.5019792446185176	-0.014658740225644349	-4.286764182377298e-05	0.0030020492001918493
+ATMB	1071.309922924368	1380.8205315315772	450.1250293064572	5714.833843117572	-38.86175122739144
+ATMC	865209.9870960491	622615.8339434739	790046.9277382238	599218.1788640362	-141350551294.98242
+NUADDI  F                              additional info for neutrinos
+MUADDI  T                              additional info for muons
+MUMULT  T                              muon multiple scattering angle
+ELMFLG  F   T                          em. interaction flags (NKG,EGS)
+STEPFC  1.0                            mult. scattering step length fact.
+RADNKG  200.E2                         outer radius for NKG lat.dens.distr.
+LONGI   F  10.  F  F                   longit.distr. & step size & fit & out
+ECTMAP  1.E4                           cut on gamma factor for printout
+MAXPRT  1                              max. number of printed events
+DIRECT  /mnt/home/pkalaczynski/Productions/corsika-77410/tiny_CORSIKA_file_for_Tom/CORSIKA/p/
+USER    pkalaczynski                   user
+DEBUG   F  6  F  1000000               debug flag and log.unit for out
+EXIT                                   terminates input