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/chai/index.mjs

@@ -0,0 +1,14 @@
+import chai from './index.js';
+
+export const expect = chai.expect;
+export const version = chai.version;
+export const Assertion = chai.Assertion;
+export const AssertionError = chai.AssertionError;
+export const util = chai.util;
+export const config = chai.config;
+export const use = chai.use;
+export const should = chai.should;
+export const assert = chai.assert;
+export const core = chai.core;
+
+export default chai;