add missing environment variables

see: Tajine .env.prod file

missing environment variables

###################################################################################################
#  WEBAPP_I18N_DEFAULT_LOCALE   User interface language (default: 'en')
#  WEBAPP_SESSION_LIFETIME      Lifetime of the session in seconds (default: 3600 = 1 hour).
#  WEBAPP_ADMIN_CONFIG_DEFAULT_MAX_USER_PER_PAGE      Number of users displayed per page for a administrator (default: 25)
#  WEBAPP_ADMIN_CONFIG_DEFAULT_MAX_CERT_PER_PAGE      Number of certificates displayed per page for a administrator (default: 25)
#  WEBAPP_MANAGER_CONFIG_DEFAULT_MAX_CERT_PER_PAGE    Number of certificates displayed per page for a manager (default: 25)
#  WEBAPP_USER_CONFIG_RESET_PASSWORD_TOKEN_LIFETIME   Lifetime of reset password token in seconds (default: 1200 = 20 minutes).
#  WEBAPP_USER_CONFIG_MIN_PASSWORD_LENGTH             Minimum user password length (default: 12)
#  WEBAPP_CERTIFICAT_CONFIG_MIN_PASSWORD_LENGTH       Minimum certificate password length (default: 12)
###################################################################################################


# Webapp - User interface language
WEBAPP_I18N_DEFAULT_LOCALE='en' # allowed values: 'en' or 'fr'

# Webapp - Lifetime of the session in seconds
WEBAPP_SESSION_LIFETIME=3600

# Number of users displayed per page for a administrator
WEBAPP_ADMIN_CONFIG_DEFAULT_MAX_USER_PER_PAGE=25

# Number of certificates displayed per page for a administrator
WEBAPP_ADMIN_CONFIG_DEFAULT_MAX_CERT_PER_PAGE=25

# Number of certificates displayed per page for a manager
WEBAPP_MANAGER_CONFIG_DEFAULT_MAX_CERT_PER_PAGE=25

# Lifetime of reset password token in seconds
WEBAPP_USER_CONFIG_PASSWORD_RESET_TOKEN_LIFETIME=1200

# Minimum user password length
WEBAPP_USER_CONFIG_MIN_PASSWORD_LENGTH=12

# Minimum certificate password length
WEBAPP_CERTIFICAT_CONFIG_MIN_PASSWORD_LENGTH=12