Update DESCRIPTION

 - update `Author:` to match editorial guidelines/suggested OSD citation from README

DESCRIPTION

@@ -2,7 +2,7 @@ Package: OSDRegistry
 Type: Package
 Title: Official Series Description (OSD) Registry
 Version: 0.6.0
-Author: Andrew G. Brown
+Author: Soil Survey Staff
 Maintainer: Andrew G. Brown <andrew.g.brown@usda.gov>
 Description: Version control solution for Official Series Descriptions (OSDs; <https://soilseries.sc.egov.usda.gov/>) and the Series Classification database. Official "series" are soil types used by the USDA-NRCS and the National Cooperative Soil Survey program.
 Imports: utils, rvest, xml2, curl, RSelenium, soilDB