move docker files to root

plpgsql/pgunit/initialize.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+set -ex
+
+echo "Enable DBLINK"
+psql -d kata -c 'CREATE EXTENSION DBLINK;'
+
+echo "Initialize test framework"
+wget https://raw.githubusercontent.com/adrianandrei-ca/pgunit/bc69dfc526ec3db55ff72af5d78eab55661502af/PGUnit.sql \
+ && psql -d kata -f PGUnit.sql \
+ && rm PGUnit.sql
+
+echo "Initialize custom asserts"
+psql -d kata -f asserts.sql