doc: add licenses.csv
doc: add licenses.csv

mapillary/OpenSfM,mapillary/OpenSfM,mapillary/OpenSfM,sunbingfengPI/OpenSFM_Test,mapillary/OpenSfM,oscarlorentzon/OpenSfM,sunbingfengPI/OpenSFM_Test,oscarlorentzon/OpenSfM,mapillary/OpenSfM,BrookRoberts/OpenSfM,BrookRoberts/OpenSfM,sunbingfengPI/OpenSFM_Test,oscarlorentzon/OpenSfM,sunbingfengPI/OpenSFM_Test,oscarlorentzon/OpenSfM,BrookRoberts/OpenSfM,sunbingfengPI/OpenSFM_Test,oscarlorentzon/OpenSfM,BrookRoberts/OpenSfM,BrookRoberts/OpenSfM