update gemstone/gs/README.md with installation instructions

Author: dalehenrich

gemstone/gs/README.md

@@ -1,4 +1,6 @@
-### reference gemstone product tree and solo extent for bin/superdoit_solo script
-
-**product** $GEMSTONE product tree
-**extent0.solo.dbf** solo extent with Rowan installed (masterV2.1 at a minimum)
+```bash
+	curl  -L -O -s -S "https://github.com/dalehenrich/superDoit/releases/download/v0.1.0/3.6.1_extent0.solo.dbf.gz"
+	gunzip --stdout 3.6.1_extent0.solo.dbf.gz > extent0.solo.dbf
+	chmod -w extent0.solo.dbf
+	ln -s $GS_HOME/shared/downloads/products/GemStone64Bit3.6.1-* product
+```