Card #163 foot eye checkup in xsd, initial importer setup, added to IMPORTGROUP_1111111111.xml, one observation per foot side dppulse or ptpulse so 4 per footcheckup in xml, support for observation bodySite in fhirobservation if present in observation passed to constructor, add observations to fhir db during import if no daterange is set, todo: migration of footcheckup and eye checkup data & testing