Family Day update

Task/Empty-string/Go/empty-string-1.go

@@ -0,0 +1,14 @@
+// define and initialize an empty string
+var s string
+s2 := ""
+
+// assign an empty string to a variable
+s = ""
+
+// check that a string is empty, any of:
+s == ""
+len(s) == 0
+
+// check that a string is not empty, any of:
+s != ""
+len(s) != 0 // or > 0