openpgp: move gnupg section and add info about opgp-card

Author: jcgruenhage

book.toml

@@ -10,6 +10,7 @@ theme = "src/theme"
 [output.html.redirect]
 "/about-this-handbook.html" = "/about/about-this-handbook.html"
 "/config/man.html" = "/config/package-documentation/man.html"
+"/config/gnupg.html" = "/config/openpgp.html#gnupg"
 
 [output.latex]
 optional = true

src/SUMMARY.md

@@ -67,7 +67,7 @@
    - [Containers and Virtual Machines](./config/containers-and-vms/index.md)
       - [libvirt](./config/containers-and-vms/libvirt.md)
       - [LXC](./config/containers-and-vms/lxc.md)
-   - [GnuPG](./config/gnupg.md)
+   - [OpenPGP](./config/openpgp.md)
 - [XBPS Package Manager](./xbps/index.md)
    - [Advanced Usage](./xbps/advanced-usage.md)
    - [Repositories](./xbps/repositories/index.md)

src/config/gnupg.md renamed to src/config/openpgp.md

@@ -23,3 +23,12 @@ these two condition are fulfilled and you don't have pcscd running, `gpg
 If you need to use pcscd for other reasons, run `echo disable-ccid >>
 ~/.gnupg/scdaemon.conf`. Now, assuming your pcscd setup works correctly, `gpg
 --card-status` should print your card status.
+
+# OpenPGP Card Tools
+
+As an alternative to GnuPG with smartcards, Void also ships
+`openpgp-card-tools`, a Rust based utility not reliant on GnuPG. It requires
+using `pcscd` for interacting with smart cards, so if you want to use it in
+parallel with GnuPG, ou need to configure `scdaemon` to use the pcscd backend,
+as described above in "[scdaemon with pcscd
+backend](#scdaemon-with-pcscd-backend)".