OZG-725 Add styling

...ibs/design-system/src/lib/button/button.component.spec.ts

...ent/libs/design-system/src/lib/button/button.component.ts

...stem/src/lib/icons/spinner-icon/spinner-icon.component.ts

...lient/libs/design-system/src/lib/tailwind-preset/root.css

.../design-system/src/lib/tailwind-preset/tailwind.config.js

...dialog/forwarding-button/forwarding-button.component.html

...log/forwarding-button/forwarding-button.component.spec.ts

...g-dialog/forwarding-button/forwarding-button.component.ts

...tainer/forwarding-dialog/forwarding-dialog.component.html