Merge pull request #5 from hegdeashwin/chapters

Adds if E.g.

Author: Ashwin Hegde

ch2/if.go

@@ -0,0 +1,14 @@
+package main
+
+import "fmt"
+
+func main() {
+
+	i := 10
+
+	if i%2 == 0 {
+		fmt.Println("Even Number")
+	} else {
+		fmt.Println("Odd Number")
+	}
+}