add release script

release.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+if [ -z "$1" ]
+  then
+  echo "- No version is given. Use as ./release.sh 1.0.0";
+  exit 1
+fi
+
+echo "- Clean up SVN";
+rm -rf svn
+
+echo "- Checkout from SVN remote";
+svn co http://plugins.svn.wordpress.org/wp-acf-nullify-gatsby/ svn
+
+echo "- Clean up SVN trunk";
+rm -rf svn/trunk/*
+
+echo "- Copy latest code to SVN trunk";
+cp -r src/* svn/trunk/
+svn add svn/trunk/*
+
+echo "- Create new SVN tag";
+svn cp svn/trunk "svn/tags/$1"
+
+echo "- Release to SVN remote";
+cd svn/
+svn ci -m "Release version $1" --username jabranr