feat: Add Temperature class to convert Celsius to Fahrenheit

Add a program that:
- Takes temperature input in Celsius from the user
- Converts it to Fahrenheit using the formula (C × 9/5) + 32
- Demonstrates basic arithmetic operations and input handling with `Scanner`.

Author: Someshdiwan

Section5OperatorExpression/src/Temperature.java

@@ -4,7 +4,10 @@ public class Temperature {
     public static void main(String[] args) {
         Scanner in = new Scanner(System.in);
         System.out.print("Please enter temp in C: ");
+
         float tempC = in.nextFloat();
+
+        //converting temp into the F.
         float tempF = (tempC * 9/5) + 32;
         System.out.println(tempF);
     }