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-page.js

@@ -0,0 +1,18 @@
+const { netifyFetch } = require('../proxy/netifyClientCore');
+require('dotenv').config({ path: './.env.local' });
+
+async function main() {
+  const p1 = await netifyFetch('/lookup/applications', { settings_limit: 5, settings_page: 1 });
+  const p2 = await netifyFetch('/lookup/applications', { settings_limit: 5, settings_page: 2 });
+  
+  console.log('Page 1 length:', p1?.length);
+  console.log('Page 2 length:', p2?.length);
+  if (p1 && p1.length > 0) {
+    console.log('Page 1 first item:', p1[0].id, p1[0].name);
+  }
+  if (p2 && p2.length > 0) {
+    console.log('Page 2 first item:', p2[0].id, p2[0].name);
+  }
+}
+
+main().catch(console.error);