[etherpad-web/oscp-backend] Add ep_align

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 94df6a6fda4d2e74f6c31183c39075ab5aa50c5b
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Wed May 13 10:02:04 2020 +0200

    Add ep_align

 Dockerfile | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/Dockerfile b/Dockerfile
index a582880..82c7253 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,6 +20,7 @@ WORKDIR /opt/etherpad
 # Install a few default plugins:
 SHELL ["/usr/bin/scl", "enable", "rh-nodejs12"]
 RUN npm install ep_adminpads \
+    ep_align \
     ep_headings2 \
     ep_font_color \
     ep_markdown \