Update nonlab document path and add migration guide

nonlab-migration-production-guide.md

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+# Panduan Migrasi one-document-nonlab (Production)
+
+## 1) Cek folder lama dan folder baru
+```bash
+ssh <user>@<host>
+ls -ld /home/one/project/one/one-media/one-document-nonlab
+ls -ld /mnt/volume_sgp1_1778902074763/one-document-nonlab
+```
+
+## 2) Sinkron file dari folder lama ke folder baru
+```bash
+rsync -r --size-only --checksum \
+/home/one/project/one/one-media/one-document-nonlab/ \
+/mnt/volume_sgp1_1778902074763/one-document-nonlab/
+```
+
+## 3) Pastikan permission folder baru benar
+```bash
+chown -R www-data:one /mnt/volume_sgp1_1778902074763/one-document-nonlab
+chmod -R 775 /mnt/volume_sgp1_1778902074763/one-document-nonlab
+```
+
+## 4) Backup folder lama lalu ubah jadi symlink
+```bash
+cd /home/one/project/one/one-media
+ts=$(date +%Y%m%d%H%M%S)
+mv one-document-nonlab one-document-nonlab_bak_${ts}
+ln -s /mnt/volume_sgp1_1778902074763/one-document-nonlab one-document-nonlab
+```
+
+## 5) Verifikasi symlink
+```bash
+ls -ld /home/one/project/one/one-media/one-document-nonlab
+```
+
+Output yang diharapkan:
+- `one-document-nonlab -> /mnt/volume_sgp1_1778902074763/one-document-nonlab`
+
+## 6) Verifikasi URL lama untuk print
+```bash
+curl -k -I https://<domain-production>/one-media/one-document-nonlab/<nama_file_yang_ada>
+```
+
+Target minimal:
+- HTTP `200`
+
+## 7) Uji aplikasi end-to-end
+- Upload dokumen nonlab
+- Get list dokumen
+- Download dokumen
+- Delete dokumen
+- Print/merge report yang menyertakan attachment nonlab
+
+## 8) Rollback cepat jika ada masalah
+```bash
+cd /home/one/project/one/one-media
+rm one-document-nonlab
+mv one-document-nonlab_bak_<timestamp> one-document-nonlab
+```
+
+## Catatan
+- Di environment devcpone, skema ini sudah diuji: symlink aktif dan URL lama tetap `HTTP 200`.