Make examples more consistent.

Move submodule examples into submodule/*

submodule/bare.go

@@ -0,0 +1,10 @@
+package main 
+
+import (
+	"fmt"
+	"github.com/laramiel/bazel-example-golang-bare/bare"
+)
+
+func main() {
+	fmt.Println("Hello", bare.World())
+}