Add missing 1.0.39 changes to CHANGELOG.md (#766)

CHANGELOG.md

@@ -166,6 +166,14 @@
 
 ---
 
+## Version 0.7.39 / 1.0.39
+- Add new feature: executable command using `npx ua-parser-js "[INSERT-UA-HERE]"`
+- Add new browser: Helio, Pico Browser, Wolvic
+- Add new device vendor: itel, Nothing, TCL
+- Improve browser detection: ICEBrowser, Klar, QQBrowser, Quark, Rekonq, Sleipnir
+- Improve device detection: Xiaomi Pro, Amazon Echo Show, Samsung Galaxy Watch
+- Removed from browser: Viera
+
 ## Version 0.7.38 / 1.0.38
 - Fix error on getOS() when userAgentData.platform is undefined
 - Add new browser: Opera GX, Twitter
@@ -251,4 +259,4 @@ Version 1.0.x is basically the equivalent of version 0.7.x (mirror/duplicate). S
 
 ## Version 0.8
 
-Version 0.8 was created by accident. This version is now deprecated and no longer maintained, please update to version 0.7 / 1.0.
+Version 0.8 was created by accident. This version is now deprecated and no longer maintained, please update to version 0.7 / 1.0.