modified the README to include the new commands

Author: RobertLucian

README.md

@@ -2,6 +2,17 @@
 Common installation scripts used in multiple products around the Dexter Industries Galaxy of products.
 
 # Installing
+
+For installing this package without root privileges, use the following command:
+```
+curl -kL dexterindustris.com/update_tools | bash
+```
+
+For installing this package with root privileges, use the following command:
 ```
-curl --silent https://raw.githubusercontent.com/DexterInd/script_tools/master/install_script_tools.sh | bash
+sudo sh -c "curl -kL dexterindustries.com/update_tools | bash"
 ```
+
+# Updating
+
+For updating the package, you can use the same commands describe at the previous section.