Add GCD script (Task 1)

script_GCD.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-
+# Function to find GCD using Euclidean algorithm
 gcd() {
     local a=$1
     local b=$2
@@ -14,12 +14,12 @@ gcd() {
     echo $a
 }
 
-
+# Check arguments
 if [ $# -ne 2 ]; then
     echo "Usage: $0 <number1> <number2>"
     exit 1
 fi
 
-
+# Call function and print result
 result=$(gcd $1 $2)
 echo "НОД($1, $2) = $result"