feat(source2): push all latest files - device labeling, help system, proxy docs, database isolation fix

- Added DOKUMENTASI-FILTER-PER-SITE.md (site isolation docs)
- Fixed start-with-env.js to force-load .env.production
- Fixed MONGODB_URI hostname from mongodb-netify to mongodb.prod.proit.id
- Updated .gitignore to exclude sensitive scripts and credential files
- Minor UI and labeling improvements

test/check-remote-next-date.js

@@ -0,0 +1,22 @@
+const { Client } = require('ssh2');
+
+const SSH = {
+  host: '103.185.47.52',
+  port: 2222,
+  username: 'adminbackend',
+  password: 'htEo7x6LsBQiEHHH',
+  readyTimeout: 60000
+};
+
+const conn = new Client();
+conn.on('ready', () => {
+  conn.exec("ls -ld /home/adminbackend/web/demoplace.my.id/public_html/.next; ls -l /home/adminbackend/web/demoplace.my.id/public_html/.next/standalone/server.js", (err, stream) => {
+    let out = '';
+    stream.on('data', d => out += d);
+    stream.on('close', () => {
+      console.log('--- REMOTE NEXT DATE ---');
+      console.log(out);
+      conn.end();
+    });
+  });
+}).connect(SSH);