added godocx (#5346)

* added godocx

* Update README.md

README.md

@@ -1752,6 +1752,12 @@ _Libraries for working with Microsoft Excel._
 - [xlsx](https://github.com/tealeg/xlsx) - Library to simplify reading the XML format used by recent version of Microsoft Excel in Go programs.
 - [xlsx](https://github.com/plandem/xlsx) - Fast and safe way to read/update your existing Microsoft Excel files in Go programs.
 
+### Microsoft Word
+
+_Libraries for working with Microsoft Word._
+
+- [godocx](https://github.com/gomutex/godocx) - Library for reading and writing Microsoft Word (Docx) files. 
+
 **[⬆ back to top](#contents)**
 
 ## Miscellaneous