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/test-fetch.js

@@ -0,0 +1,15 @@
+const path = require('path');
+require('dotenv').config({ path: './.env.local' });
+const { netifyFetch } = require('../proxy/netifyClientCore');
+
+async function main() {
+  console.log('Testing netifyFetch...');
+  console.log('API Key:', process.env.NETIFY_API_KEY);
+  
+  const start = Date.now();
+  const data = await netifyFetch('/lookup/applications', { settings_limit: 5 });
+  console.log('Done in:', Date.now() - start, 'ms');
+  console.log('Data:', data);
+}
+
+main().catch(console.error);