doc: firefox: Show how to use PKCS#11 Proxy Module

`p11-kit-proxy.so` makes it able to use multiple PKCS#11 modules and
manage them through p11-kit(8).

Fix indentation while here.

Changed files
+8 -4
doc
builders
+8 -4
doc/builders/packages/firefox.section.md
···
Pocket = false;
Snippets = false;
};
-
UserMessaging = {
-
ExtensionRecommendations = false;
-
SkipOnboarding = true;
-
};
+
UserMessaging = {
+
ExtensionRecommendations = false;
+
SkipOnboarding = true;
+
};
+
SecurityDevices = {
+
# Use a proxy module rather than `nixpkgs.config.firefox.smartcardSupport = true`
+
"PKCS#11 Proxy Module" = "${pkgs.p11-kit}/lib/p11-kit-proxy.so";
+
};
};
extraPrefs = ''