Add gitter chat link (prabirshrestha#526)

prabirshrestha · Dima Chechetkin · commit f3e717a2d7cb · 2019-11-14T13:08:08.000-05:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-# vim-lsp
+# vim-lsp [![Gitter](https://badges.gitter.im/vimlsp/community.svg)](https://gitter.im/vimlsp/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 Async [Language Server Protocol](https://github.com/Microsoft/language-server-protocol) plugin for vim8 and neovim.
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# vim-lsp`
	`1`	`+# vim-lsp [![Gitter](https://badges.gitter.im/vimlsp/community.svg)](https://gitter.im/vimlsp/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)`
`2`	`2`
`3`	`3`	`Async [Language Server Protocol](https://github.com/Microsoft/language-server-protocol) plugin for vim8 and neovim.`
`4`	`4`