install.sh: Add confirmation qns in beginning

This is to make sure the user has satisfied criterion to run the script
successfully

Signed-off-by: Dhruva Gole <goledhruva@gmail.com>

Author: DhruvaG2000

install.sh

@@ -1,4 +1,18 @@
 #!/bin/bash
+set -e
+
+printf '%s\n' "Before running this script, make sure of the following:"
+printf '%s\n' "1. You have zephyr installed properly on your system."
+printf '%s\n' "2. Updated west.yml in zephyr and run west update to pull this module in proper location."
+printf '%s\n' "If you meet the above criteria, please enter [yY]Yes and if not, then [nN]No."
+read answer
+
+if [ "$answer" != "${answer#[Yy]}" ] ;then
+    printf '%s\n' "Yes"
+else
+    printf '%s\n' "No"
+	exit 1
+fi
 
 API_FOLDER=~/.ArduinoCore-API
 if [ ! -d "$API_FOLDER" ] ; then