refactor: first pass at rewriting apps plugin in go

plugins/apps/vendor/github.com/codeskyblue/go-sh/example_test.go

@@ -0,0 +1,28 @@
+package sh_test
+
+import (
+	"fmt"
+
+	"github.com/codeskyblue/go-sh"
+)
+
+func ExampleCommand() {
+	out, err := sh.Command("echo", "hello").Output()
+	fmt.Println(string(out), err)
+}
+
+func ExampleCommandPipe() {
+	out, err := sh.Command("echo", "-n", "hi").Command("wc", "-c").Output()
+	fmt.Println(string(out), err)
+}
+
+func ExampleCommandSetDir() {
+	out, err := sh.Command("pwd", sh.Dir("/")).Output()
+	fmt.Println(string(out), err)
+}
+
+func ExampleTest() {
+	if sh.Test("dir", "mydir") {
+		fmt.Println("mydir exists")
+	}
+}