Add instructions for the dependency check script

GETTING_STARTED.md

@@ -59,6 +59,16 @@ cpan Tie::DBI
 cpan Text:CSV_XS
 ```
 
+## Testing for Perl module dependencies
+
+A bash script is included in the utils directory that will list the Perl modules used by the site-generator and report whether the modules are installed on the current OS.
+
+It can be run from any directory. To run from the utils directory:
+
+```
+./check-dependencies.sh
+```
+
 # Create the HPR database
 
 The hpr_generator relies on information from a database to generate many of the