Add celpa badge

jcs090218 · jcs090218 · commit 288dc027d845 · 2021-10-19T17:41:10.000+08:00
diff --git a/README.md b/README.md
@@ -1,4 +1,5 @@
 [![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
+[![CELPA](https://celpa.conao3.com/packages/multi-shell-badge.svg)](https://celpa.conao3.com/#/multi-shell)
 
 # multi-shell
 > Managing multiple shell buffers.

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`[![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)`
	`2`	`+[![CELPA](https://celpa.conao3.com/packages/multi-shell-badge.svg)](https://celpa.conao3.com/#/multi-shell)`
`2`	`3`
`3`	`4`	`# multi-shell`
`4`	`5`	`> Managing multiple shell buffers.`