Create role openldap

[gderber]

Refs:

• https://groups.google.com/g/mozilla.dev.tech.ldap/c/Ast6WzQbgsQ
• https://www.gnupg.org/blog/20201018-gnupg-and-ldap.html
• https://www.zytrax.com/books/ldap/
• http://www.sampierson.com/articles/ldap-setting-up-an-address-book-that-evolution-likes
• https://github.com/roundcube/roundcubemail/wiki/Configuration:-LDAP-Address-Books
• https://keytalk.com/applications/hardened-open-ldap-s-mime-address-book-key-server
• https://docs.iredmail.org/use.openldap.as.address.book.in.outlook.html
• https://fastmail.blog/2008/08/07/ldap-access-to-address-book/
• https://annvix.com/using_openldap_as_an_address_book
• https://www.openldap.org/faq/data/cache/62.html
• https://www.centlinux.com/2018/06/create-global-addressbook-with-openldap.html?m=1
• https://srscctek.com/myfaq/content/2/79/en/openldap-and-phpldapadmin-address-book.html#:~:text=Adding%20address%20book%20entries&text=The%20LDIF%20file%20you%20just,entry%20in%20the%20address%20book.&text=In%20the%20next%20screen%20%2D%20Select,select%20Generic%3A%20Address%20Book%20Entry.
• https://www.brennan.id.au/20-Shared_Address_Book_LDAP.html
• https://wiki.gnupg.org/LDAPKeyserver
• https://lists.gnupg.org/pipermail/gnupg-users/2006-February/028058.html
• https://serverfault.com/questions/539742/how-do-you-enable-the-storing-of-gpg-pgp-keys-in-openldap
• https://github.com/sp4ke/ldap-openpgp-keyserver/blob/master/schema/pgp-keyserver.schema

[gderber]

Closing, duplicate of #70