Add new browser: TikTok

User-agent example:
- https://user-agents.net/s/o2A0qRAZIN
- https://explore.whatismybrowser.com/useragents/parse/241240920-android-webview-android-jny-l22-blink

src/ua-parser.js

@@ -365,6 +365,8 @@
             ], [NAME, VERSION], [
             /\bgsa\/([\w\.]+) .*safari\//i                                      // Google Search Appliance on iOS
             ], [VERSION, [NAME, 'GSA']], [
+            /musical_ly(?:.+app_?version\/|_)([\w\.]+)/i                        // TikTok
+            ], [VERSION, [NAME, 'TikTok']], [
 
             /headlesschrome(?:\/([\w\.]+)| )/i                                  // Chrome Headless
             ], [VERSION, [NAME, CHROME+' Headless']], [