Initial data commit

Task/String-concatenation/Go/string-concatenation.go

@@ -0,0 +1,21 @@
+package main
+
+import "fmt"
+
+func main() {
+    // text assigned to a string variable
+    s := "hello"
+
+    // output string variable
+    fmt.Println(s)
+
+    // this output requested by original task descrption, although
+    // not really required by current wording of task description.
+    fmt.Println(s + " literal")
+
+    // concatenate variable and literal, assign result to another string variable
+    s2 := s + " literal"
+
+    // output second string variable
+    fmt.Println(s2)
+}