Add github push (#4)

Co-authored-by: kjuulh <contact@kjuulh.io>
Reviewed-on: kjuulh/kraken#4

scripts/push_github.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+set -e
+
+git remote add github git@github.com:kjuulh/kraken.git || true
+
+git push -f github main