refactor: 6th section first two lectures exercises and questions

06-variables/02-declarations/exercises/02-bool/main.go

@@ -0,0 +1,24 @@
+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+// ---------------------------------------------------------
+// EXERCISE: Declare bool
+//
+//  1. Declare and print a bool variable
+//
+//  2. The variable's name should be: isOn
+//
+// EXPECTED OUTPUT
+//  false
+// ---------------------------------------------------------
+
+func main() {
+	// var ? ?
+	// ?
+}

06-variables/02-declarations/exercises/02-bool/solution/main.go

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+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	var isOn bool
+	fmt.Println(isOn)
+}