documentation: Update installation

experimental/libbox/remote_profile.go

@@ -0,0 +1,41 @@
+package libbox
+
+import (
+	"net/url"
+)
+
+func GenerateRemoteProfileImportLink(name string, remoteURL string) string {
+	importLink := &url.URL{
+		Scheme:   "sing-box",
+		Host:     "import-remote-profile",
+		RawQuery: url.Values{"url": []string{remoteURL}}.Encode(),
+		Fragment: name,
+	}
+	return importLink.String()
+}
+
+type ImportRemoteProfile struct {
+	Name string
+	URL  string
+	Host string
+}
+
+func ParseRemoteProfileImportLink(importLink string) (*ImportRemoteProfile, error) {
+	importURL, err := url.Parse(importLink)
+	if err != nil {
+		return nil, err
+	}
+	remoteURL, err := url.Parse(importURL.Query().Get("url"))
+	if err != nil {
+		return nil, err
+	}
+	name := importURL.Fragment
+	if name == "" {
+		name = remoteURL.Host
+	}
+	return &ImportRemoteProfile{
+		Name: name,
+		URL:  remoteURL.String(),
+		Host: remoteURL.Host,
+	}, nil
+}