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

app.js

@@ -6,6 +6,18 @@ const body_parser = require('body-parser')
 const {request_logger, error_logger} = require('./src/middlewares/logger')
 const {error_handler} = require('./src/middlewares/error_handler')
 const {start_observer} = require('./src/modules/session_observer')
+const {test_config} = require('./tests/config')
+const {test_titles} = require('./tests/titles')
+
+if (!test_config()) {
+    process.exit(1)
+}
+
+if (!test_titles()) {
+    process.exit(1)
+}
+
+console.log('all initial tests successfully passed')
 
 start_observer()
 
@@ -24,5 +36,4 @@ app.use(error_handler)
 
 // start listen server
 app.listen(port)
-console.log('all config.js tests passed successfully [not developed]')
 console.log(`Listening at http://localhost:${port}`)