make detect a package.

go/.gitignore

.go
detect
qst
examples/hello

go/detect.go

package main
package detect
import (
	"fmt"
	Project{"ruby/default", Commands{"run": "ruby {file}"}, rubyDefault},
}
func main() {
	if len(os.Args) < 2 {
		fmt.Printf("Usage: %s <file>\n", os.Args[0])
		os.Exit(1)
	}
	file := os.Args[1]
	for _, project := range ProjectTypes {
		runCmd := project.Commands["run"]
		fmt.Printf("%v (%v): %v\n", project.Id, runCmd, project.Detect(file))
	}
}
func matchingFileOrDir(file string, pattern string) bool {
	if fileutil.IsFile(file) {
		_, f := path.Split(file)