Feature/centralized configs (#310)

* [snyk] fix vulnerabilities

* move all process.env in one config

* update log level in config

* check envs

* fix imports in tests for microsoft, soniox, deepgram

* fix import in gather-test

* fix missing imports

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Co-authored-by: Markus Frindt <m.frindt@cognigy.com>

test/webhook/app.js

@@ -1,7 +1,8 @@
 const express = require('express');
 const app = express();
 const Websocket = require('ws');
-const listenPort = process.env.HTTP_PORT || 3000;
+const {PORT} = require('../../lib/config');
+const listenPort = PORT;
 let json_mapping = new Map();
 let hook_mapping = new Map();
 let ws_packet_count = new Map();