Add Brands webhook and tests

What's Changed

• Add tests and brands webhook by @smety in #10

Full Changelog: v1.5.0...v1.5.1

v1.5.0

What's Changed

• Feature/1.5.0 by @smety in #9

Full Changelog: v1.4.0...v1.5.0

v1.4.0

What's Changed

• Add support sitelink, rich snippet and lang parameter by @smety in #8

Full Changelog: v1.3.0...v1.4.0

v1.3.0

Support nested content, performance issue

v1.2.0

What's Changed

• Add bulk delete for products, categories nad blogs by @smety in #6

Full Changelog: v1.1.0...v1.2.0

v1.1.0

What's Changed

• Support blog webhook by @smety in #5

Full Changelog: v1.0.4...v1.1.0

v1.0.4

What's Changed

• Fix blog: guid to id string by @smety in #4

Full Changelog: v1.0.3...v1.0.4

v1.0.0

Full Changelog: https://github.com/pobo-builder/php-sdk/commits/v1.0.0