config tests added,

titles tests added,
.env file support added with dotenv,
README.md file updated for .evn file support,
database lost connection bug crash fixed,
session server run_session long timeout bug fixed,
links module added,
webrtc_proc json arguments added,
app_proc stdout and stderr support added,
infinity app_proc spawn freeze bug fixed

src/controller/session.js

@@ -4,7 +4,7 @@ const {get_app_path} = require('../modules/titles')
 const not_found_error = require('../../lib/src/http/errors/not_found_error')
 const server_error = require('../../lib/src/http/errors/server_error')
 const {run_webrtc, run_app} = require('../modules/run_process')
-const {external_url} = require('../../config')
+const {create_websocket_url} = require('../modules/links')
 
 
 const run_session = async (req, res, next) => {
@@ -42,8 +42,8 @@ const run_session = async (req, res, next) => {
         next(new server_error('can not add session to database'))
         return
     }
-    
-    res.json({websocket_url:`wss://${external_url}${webrtc_port}/`})
+
+    res.json({websocket_url:create_websocket_url(webrtc_port)})
 }
 
 module.exports = {