Add solution for Challenge 1 by Tonyblaise (#1572)

Auto-merged after 2 days with all checks passing.

PR: #1572
Author: @Tonyblaise

Author: Tonyblaise

challenge-1/submissions/Tonyblaise/solution-template.go

@@ -0,0 +1,21 @@
+package main
+
+import "fmt"
+
+func main() {
+	var a, b int
+
+	_, err := fmt.Scanf("%d,%d", &a, &b)
+	if err != nil {
+		fmt.Println("Error reading input", err)
+		return
+	}
+
+	result := Sum(a, b)
+	fmt.Println(result)
+}
+
+// Sum returns the sum of a and b.
+func Sum(a int, b int) int {
+	return a + b
+}