add silent mode

Author: CleoQc

README.md

@@ -2,4 +2,4 @@
 Common installation scripts used in multiple products around the Dexter Industries Galaxy of products.
 
 # to install:
-curl https://raw.githubusercontent.com/DexterInd/script_tools/master/install_script_tools.sh | bash
+curl --silent https://raw.githubusercontent.com/DexterInd/script_tools/master/install_script_tools.sh | bash