docs: address maintainer feedback on v7 migration guide

Author: NikhilRaikwar

docs/IntelOwl/installation.md

@@ -358,6 +358,8 @@ Below you can find the additional process required to upgrade from each major ve
 
 #### Updating to >=7.0.0 from a 6.x.x version
 
+*Note: Version 7.0.0 is not yet officially released; this guide is provided for the upcoming major update.*
+
 IntelOwl v7.0.0 updated the base PostgreSQL image from version 16 to version 18. This change is a breaking change for the database data. You have two choices:
 
 - **Choice 1: Start from scratch**: Remove your actual database volumes and start from scratch with a new one.
@@ -398,28 +400,29 @@ The database migration procedure is as follows:
    docker container stop intelowl_postgres_16
    docker container rm intelowl_postgres_16
    ```
-7. (Optional) Remove the old PostgreSQL volume:
-   ```bash
-   docker volume rm <OLD_POSTGRES_VOLUME>
-   ```
-8. Start a temporary PostgreSQL 18 container using the new volume name:
+7. Start a temporary PostgreSQL 18 container using the new volume name:
    ```bash
    docker run -d --name intelowl_postgres_18 -v intelowl_postgres_data_v18:/var/lib/postgresql/data/ --env-file env_file_postgres library/postgres:18-alpine
    ```
-9. Restore the data:
+8. Restore the data:
    ```bash
    cat /tmp/intelowl_v6_dump.sql | docker exec -i intelowl_postgres_18 psql -U <POSTGRES_USER> -d <POSTGRES_DB>
    ```
-10. Stop and remove the temporary container:
+9. Stop and remove the temporary container:
     ```bash
     docker container stop intelowl_postgres_18
     docker container rm intelowl_postgres_18
     ```
-11. Update your IntelOwl repository to the latest version (v7.0.0).
-12. Bring the application back up:
+10. Update your IntelOwl repository to the latest version (v7.0.0).
+11. Bring the application back up:
     ```bash
     ./start prod up
     ```
+12. (Optional) Once you have verified that everything works properly, you can remove the old PostgreSQL volume.
+    **Warning**: This will permanently delete your original data/backup.
+    ```bash
+    docker volume rm <OLD_POSTGRES_VOLUME>
+    ```
 
 #### Updating to >=6.0.0 from a 5.x.x version