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/get-stream/source/utils.js

@@ -0,0 +1,11 @@
+export const identity = value => value;
+
+export const noop = () => undefined;
+
+export const getContentsProp = ({contents}) => contents;
+
+export const throwObjectStream = chunk => {
+	throw new Error(`Streams in object mode are not supported: ${String(chunk)}`);
+};
+
+export const getLengthProp = convertedChunk => convertedChunk.length;