Add brew and gitter badges to README

README.md

@@ -8,6 +8,8 @@ jrnl
  [![Testing](https://github.com/jrnl-org/jrnl/workflows/Testing/badge.svg)](https://github.com/jrnl-org/jrnl/actions?query=workflow%3ATesting)
  [![Downloads](https://pepy.tech/badge/jrnl)](https://pepy.tech/project/jrnl)
  [![Version](http://img.shields.io/pypi/v/jrnl.svg?style=flat)](https://pypi.python.org/pypi/jrnl/)
+ [![Homebrew](https://img.shields.io/homebrew/v/jrnl?style=flat-square)](https://formulae.brew.sh/formula/jrnl)
+ [![Gitter](https://img.shields.io/gitter/room/jrnl-org/jrnl)](https://gitter.im/jrnl-org/jrnl)
 ====
 
 _To get help, [submit an issue](https://github.com/jrnl-org/jrnl/issues/new/choose) on