4495: Seperating qr design

[jeppekroghitk]

• required webpack resources for qr crud
• Added qrVisualConfig entity
• Added crud controller for visual config
• Added VisualConfig crud to side menu
• Added a preview for created designs
• Added twig extension to inject functions to generate required classes for qr preview params
• Adjusted some styling for qr design preview
• Added twig extension to defined services
• Added additional methods for getting required endroid class instances
• Added repository
• Added migrations

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