subject(skip-the-line):add readme

subjects/skiptheline/README.md

@@ -0,0 +1,38 @@
+## skip-the-line
+
+### Instructions
+
+Write a function that receives a string and a slice of strings. Return a new slice with the given string prepended.
+
+### Expected function 
+
+```go
+func SkipTheLine(s string, slice []string) []string {
+    // your code here
+}
+```
+
+### Usage
+
+Here is a possible program to test your function:
+
+```go
+package main
+
+import "fmt"
+
+func main() {
+    fmt.Println(SkipTheLine("Hello", []string{"world"}))
+    fmt.Println(SkipTheLine("Hello", []string{"","world", "!"}))
+    fmt.Println(SkipTheLine("Hello", []string{}))
+}
+```
+
+and the output should be:
+
+```console
+$ go run .
+[Hello world]
+[Hello world !]
+[Hello]
+```