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/pg-protocol/dist/buffer-reader.d.ts

@@ -0,0 +1,14 @@
+export declare class BufferReader {
+    private offset;
+    private buffer;
+    private encoding;
+    constructor(offset?: number);
+    setBuffer(offset: number, buffer: Buffer): void;
+    int16(): number;
+    byte(): number;
+    int32(): number;
+    uint32(): number;
+    string(length: number): string;
+    cstring(): string;
+    bytes(length: number): Buffer;
+}