fixed bash filenaem

Author: raghu0891

1_prerequisite.bash

@@ -233,7 +233,7 @@ echo "
       # 			IMPORTANT MESSAGE                                    #
       ################################################################################
       # Make sure you have the below mentioned 2  files are available and populated  #
-      # as given below. Then start 'pm2 2_nodeStartPM2.sh start' script to run your  #
+      # as given below. Then start 'pm2 2_nodeStartPM2.bash start' script to run your  #
       # node in the background. To view your node log use 'pm2 logs 0'.              #
       #                                                                              #
       # File 1: password.txt => contains your keystore password                      #
@@ -251,6 +251,6 @@ echo "
       #				      follow keystore password condition).	     #
       #										     #	
       # NOTE: This 2 files have default contents, please change the mail & passwords #
-      #	      before starting 'pm2 2_nodeStartPM2.sh start'.			     #
+      #	      before starting 'pm2 2_nodeStartPM2.bash start'.			     #
       ################################################################################
       ################################################################################"

README.md

@@ -13,7 +13,7 @@ There are 2 scripts in this repo(1_prerequisite.bash,2_nodeStartPM2.bash) & 2 fi
  to your own known password(we just given a default as 'postgres', just change 'your_password') at line number 202 of 1_prerequisite.bash.
 This script will install all the prerequisite tools, utilities for Plugin.
 - After successfull execution of 1_prerequisite.bash, kindly go through the instructions to be followed
-  for executing 2_nodeStartPM2.sh as mentioned below.
+  for executing 2_nodeStartPM2.bash as mentioned below.
 ```
       ################################################################################
       # 			IMPORTANT MESSAGE                                    #