Creating one script to run all demos.

run-demos.sh

@@ -0,0 +1,13 @@
+
+echo Running Ruby Verifier
+ruby verify.rb
+
+echo Running Python Verifier
+python3.9 verify.py
+
+echo Running Shell Script Verifier
+./verify.sh
+
+echo Running Java Verifier
+javac -classpath libs/commons-codec-1.15.jar verify.java 
+java -classpath libs/commons-codec-1.15.jar:. verify