SW-8616 - Fix typo in run installation hint.
SW-8818 - Fix invalid handling of HTTP location headers in REST API.
SW-8708- Add Klarna Checkout dummy plugin.
Merge pull request #1184 in SW/shopware from feature/master/sw-8708-add-klarna-checkout-dummy-plugin to master

* commit 'd1d1252e8d2481d8b19f11f3c9c1ae9c182f3cd0':
  SW-8708- Add Klarna Checkout dummy plugin.
SW-8828 - Create a not existing directory first when updating files for recorvery.
Merge pull request #1185 in SW/shopware from bugfix/master/sw-8828-create-not-existing-directories-for-update to master

* commit '2a12ad611c8d96d63478a16b03810e76a9eb18a1':
  SW-8828 - Create a not existing directory first when updating files for recorvery.
Add README.md and CONTRIBUTING.md
Merge pull request #1197 in SW/shopware from feature/master/add-contributing-guidelines to master

* commit '5f00cdb5a0d3804c38e649020449341c9948420e':
  Add README.md and CONTRIBUTING.md