Provide E-Mail templates for singapore shop based on C5 modules

[marcelbertram]

Scope

Build up e-mail templates for system e-mails (Singapore Shop) based on existing C5 modules and neccessary new modules to discuss with either C5 or appvantage.

Notes

• Figma: https://www.figma.com/file/YGDgGPeBEzfJJjFAz0Lbzn/E-Mail-(C5)?type=design&node-id=873-1228&mode=design&t=KzfazVc1MGk3Qzlm-0

Acceptance Criteria

• [ ] Existing system emails are designed as C5 ready template in Figma