Checkpoint: первая рабочая версия звонков, сигналинг будет переделан

shine-TURN-server/README.md

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+# SHiNE TURN Server
+
+This directory stores TURN setup scripts and operational instructions.
+
+## Purpose
+- Install and configure coturn for SHiNE calls.
+- Keep repeatable setup scripts for new TURN nodes.
+- Keep TURN-related config templates.
+
+## Current production model
+- Multiple TURN servers are supported by backend config section:
+  - `call.ice.turn.servers.1.*`
+  - `call.ice.turn.servers.2.*`
+  - ...
+- Each server can use:
+  - REST auth (`sharedSecret`) for temporary credentials, or
+  - static `username`/`password` (fallback).