Symfony: Image proxy bundle

Symfony Framework bundle that provide services to build image URLs for related 3rd image processing tools:

Tools:

Name	Status
ImgProxy	in progress
Thumbor	TODO

TODO:

• Handle @ and query strings on URL for ImgProxy provider
• Add Thumbor support
• Provide integration tests
• Check possible support for Symfony 5.x
• Check possible support for PHP7.4