ChangeLog update and scope example explained

ChangeLog

@@ -1,5 +1,7 @@
 2024-06-30  hwpplayer1  <hwpplayer1@debian>
 
+	* src/scope_example.cpp: scope example sum of 1 to 10 inclusive is explained
+
 	* src/if_statement.cpp: if statement explained/code written
 
 2024-06-24  hwpplayer1  <hwpplayer1@debian>

src/scope_example.cpp

@@ -0,0 +1,14 @@
+#include <iostream>
+
+int main()
+{
+    int sum = 0;
+    for (int val = 0; val <= 10; ++val)
+    
+        sum += val;
+        std::cout << "Sum of 1 to 10 inclusive is "
+                  << sum << std::endl;
+    
+
+    return 0;
+}