Merge branch 'feature/init' into 'master'

README.md

assets/css/style.css

assets/css/style.min.css

assets/js/settings-sender-address.js

assets/js/settings-sender-address.min.js

components/address-input.jsx

components/address-row.jsx

components/sender-address-table.jsx

components/sender-address.jsx

composer.json

lang/pl_PL.po

package.json

src/AbstractSenderAddress.php

src/Assets.php

src/Labels.php

src/SenderAddress.php

src/SettingsField.php

src/ShippingMethodRenderSettingsTrait.php

src/index.jsx

src/views/settings-field.php