dev-api: add developer portal, OpenAPI spec, and Flatenbadet case study

- New /developers/ page with API docs, SDKs, pricing, use cases
- OpenAPI 3.0 spec for Orders, Missions, Photos, Analytics
- Case study: Glasskiosken i Flatenbadet — complete ROI analysis
- Updated /order/ with recurring missions and frequency dropdown

services/frilans-payout/node_modules/sonic-boom/example.js

@@ -0,0 +1,8 @@
+'use strict'
+
+const SonicBoom = require('.')
+const sonic = new SonicBoom({ fd: process.stdout.fd }) // or 'destination'
+
+for (let i = 0; i < 10; i++) {
+  sonic.write('hello sonic\n')
+}