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/merge-descriptors/README.md

@@ -0,0 +1,49 @@
+# merge-descriptors
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Merge objects using descriptors.
+
+```js
+var thing = {
+  get name() {
+    return 'jon'
+  }
+}
+
+var animal = {
+
+}
+
+merge(animal, thing)
+
+animal.name === 'jon'
+```
+
+## API
+
+### merge(destination, source)
+
+Redefines `destination`'s descriptors with `source`'s. The return value is the
+`destination` object.
+
+### merge(destination, source, false)
+
+Defines `source`'s descriptors on `destination` if `destination` does not have
+a descriptor by the same name. The return value is the `destination` object.
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/merge-descriptors.svg
+[npm-url]: https://npmjs.org/package/merge-descriptors
+[travis-image]: https://img.shields.io/travis/component/merge-descriptors/master.svg
+[travis-url]: https://travis-ci.org/component/merge-descriptors
+[coveralls-image]: https://img.shields.io/coveralls/component/merge-descriptors/master.svg
+[coveralls-url]: https://coveralls.io/r/component/merge-descriptors?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/merge-descriptors.svg
+[downloads-url]: https://npmjs.org/package/merge-descriptors