Insert batch lock button after the duplicate button

Before it was placed after the read/unread toggle button, but this
caused a minor bug.

Fixes: #51
Change-Id: Ibe9ed8db3a90b1a9f8519a32773f9d4e243c2ed4
diff --git a/templates/manifest.gjson b/templates/manifest.gjson
index 6f25516..2a7c440 100644
--- a/templates/manifest.gjson
+++ b/templates/manifest.gjson
@@ -68,6 +68,7 @@
         "injections/profileindicator_inject.css",
         "injections/ccdarktheme.css",
         "injections/batchlock_inject.js",
+        "injections/batchlock_inject.css",
         "injections/enhanced_announcements_dot.css",
         "injections/reposition_expand_thread.css",
         "injections/thread_list_avatars.css",