rewrite based on reference project from github

dracut-module/90netboot/module-setup.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+check() {
+    return 0
+}
+
+depends() {
+    echo network url-lib
+    return 0
+}
+
+install() {
+    inst_hook cmdline 90 "$moddir/parse-netboot.sh"
+    inst_hook pre-mount 90 "$moddir/mount-netboot.sh"
+    inst_multiple wget curl
+}