[add] Template file required.

Add template file and fix pod.
Checking in changes prior to tagging of version 0.01.

Changelog diff is:

diff --git a/Changes b/Changes
index afa6f86..269f572 100644
--- a/Changes
+++ b/Changes
@@ -2,5 +2,7 @@ Revision history for Perl extension Plagger-Plugin-Notify-Slack

 {{$NEXT}}

+0.01 2014-12-12T03:04:04Z
+
     - original version