Add README badge linking to the Discourse forum

guillaumekln · guillaumekln · commit 56158dec711b · 2021-12-08T14:46:45.000+01:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-[![CI](https://github.com/OpenNMT/Tokenizer/workflows/CI/badge.svg)](https://github.com/OpenNMT/Tokenizer/actions?query=workflow%3ACI) [![PyPI version](https://badge.fury.io/py/pyonmttok.svg)](https://badge.fury.io/py/pyonmttok)
+[![CI](https://github.com/OpenNMT/Tokenizer/workflows/CI/badge.svg)](https://github.com/OpenNMT/Tokenizer/actions?query=workflow%3ACI) [![PyPI version](https://badge.fury.io/py/pyonmttok.svg)](https://badge.fury.io/py/pyonmttok) [![Forum](https://img.shields.io/discourse/status?server=https%3A%2F%2Fforum.opennmt.net%2F)](https://forum.opennmt.net/)
 
 # Tokenizer
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-[![CI](https://github.com/OpenNMT/Tokenizer/workflows/CI/badge.svg)](https://github.com/OpenNMT/Tokenizer/actions?query=workflow%3ACI) [![PyPI version](https://badge.fury.io/py/pyonmttok.svg)](https://badge.fury.io/py/pyonmttok)`
	`1`	`+[![CI](https://github.com/OpenNMT/Tokenizer/workflows/CI/badge.svg)](https://github.com/OpenNMT/Tokenizer/actions?query=workflow%3ACI) [![PyPI version](https://badge.fury.io/py/pyonmttok.svg)](https://badge.fury.io/py/pyonmttok) [![Forum](https://img.shields.io/discourse/status?server=https%3A%2F%2Fforum.opennmt.net%2F)](https://forum.opennmt.net/)`
`2`	`2`
`3`	`3`	`# Tokenizer`
`4`	`4`