SurfCX demo apps

Mock third-party systems for the staging demos. Data is in memory and resets when the service restarts.

• /gingko/api/v1/…: the Gingko Shop API (PureForm orders, returns, customers). Needs X-API-KEY.
• /clinic/api/v1/…: the Riverside Clinic API (patients, providers, slots, appointments). Needs X-API-KEY.
• /screenpop/: the Agent Desktop reference app (it runs inside the desktop).
• /crm: the mock CRM: wrap-up notes, and the customer page the desktop screen-pops.