Add ability to daemonize program, update sample config, README.md, add .gitignore

vendor/github.com/sevlyar/go-daemon/lock_file_stub.go

@@ -0,0 +1,12 @@
+//go:build !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !plan9 && !solaris
+// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!plan9,!solaris
+
+package daemon
+
+func lockFile(fd uintptr) error {
+	return errNotSupported
+}
+
+func unlockFile(fd uintptr) error {
+	return errNotSupported
+}