Add a11ywatch and related configurations for Podman and Nginx

- Introduced a new module for a11ywatch with Podman support, creating a bridge network and defining backend and frontend containers.
- Configured Nginx to serve the a11ywatch application with SSL and ACME support.
- Added user and group configurations for a11ywatch.
- Created a systemd service to ensure the Podman network exists on boot.

Implement Firefox Container Controller extension and host

- Added a module for the Firefox Container Controller extension, allowing installation via Nix.
- Created a native messaging host for the extension to communicate with the container controller.
- Included CLI helpers to enqueue commands for showing and hiding containers.

Enable fingerprint authentication in PAM

- Configured fingerprint authentication for login, sudo, and swaylock services.

Setup Raspberry Pi OS image creation script

- Developed a script to create a read-only Raspberry Pi OS Lite image with Snapcast client.
- Included configuration for Wi-Fi, hostname, and Snapcast server.
- Implemented user and group setup for Snapcast client and ensured necessary services are enabled.

Document Raspberry Pi Zero W setup instructions

- Added detailed instructions for configuring Raspberry Pi OS on Zero W, including disabling unused services and setting up Snapcast client.

Create test configuration script for NixOS

- Implemented a script to perform dry-builds for NixOS configurations, allowing for easy validation of host configurations.

hosts/web-arm/sites/tandem.paraclub.at.nix

@@ -7,7 +7,9 @@ in {
   services.nginx.virtualHosts."${domain}" = {
     forceSSL = true;
     enableACME = true;
-    acmeRoot = null;
+    # acmeRoot = null;
+    acmeRoot = "/var/lib/acme/acme-challenge";
+
     root = "${dataDir}";
 
     locations."/favicon.ico".extraConfig = ''
@@ -38,7 +40,7 @@ in {
     #home = "/home/${domain}";
     group  = "nginx";
     openssh.authorizedKeys.keys = [
-      "ssh-rsa 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"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPTsI0YyToIokBIcSf6j70iI68pKd4fPkRpqByFkZLRB"
     ];
   };
   users.groups.${user} = {};