[DLAB-4126] Fix documentation

- Update PKI scripts: Restructuring scripts on an overload strategy
- Renew PKI dev (missing CA, useful when we need to connect vitamui to others applications)
- Update application assets according to the new dev PKI
- Add/update readme

- Upgrade functions.sh: 
Addition of genericity on the functions allowing to handle a vault file
- Add ERASE as input parameters on PKI's scripts in order to preverse existing items when we execute scripts (add module, clients ...)
- Upgrade generate_stores.sh in order to populate dynamically the linked vault file
- Upgrade packaging in order to add the archive of deployment
- Upgrade scripts according to the PKI in order to clean/fix deployment for keystores/trustores and linked configuration