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/read-nginx-domain-conf.js

@@ -0,0 +1,34 @@
+module.paths.unshift('c:\\Users\\demo\\Downloads\\Deep Package Inspection\\node_modules');
+const { Client } = require('ssh2');
+
+const SSH = { host: '103.185.47.52', port: 2222, username: 'adminbackend', password: 'htEo7x6LsBQiEHHH', readyTimeout: 60000 };
+
+async function main() {
+  const conn = new Client();
+  await new Promise((resolve, reject) => {
+    conn.on('ready', resolve).on('error', reject).connect(SSH);
+  });
+  console.log('SSH connected.');
+
+  const runCmd = (cmd) => {
+    return new Promise((resolve) => {
+      conn.exec(cmd, (err, stream) => {
+        if (err) { resolve(`Err: ${err.message}`); return; }
+        let out = '';
+        stream.on('data', d => out += d);
+        stream.on('close', () => resolve(out.trim()));
+      });
+    });
+  };
+
+  // Find Nginx confs for demoplace.my.id
+  const findConf = await runCmd('find /etc/nginx/ -name "*demoplace*" 2>/dev/null || echo "No find access"');
+  console.log('=== FIND DEMOPLACE NGINX ===\n', findConf);
+
+  const confContent = await runCmd('cat /etc/nginx/conf.d/domains/demoplace.my.id.conf || cat /etc/nginx/sites-enabled/demoplace.my.id || echo "No read access"');
+  console.log('=== DEMOPLACE CONF CONTENT ===\n', confContent);
+
+  conn.end();
+}
+
+main().catch(console.error);