feat: add AI tools, improve configs, and update README

Changelog:
- Added AI tools and services (Ollama, SearXNG, Open WebUI)
- Updated README with AI tools section and improved formatting
- Added new Rust tools (`cargo-feature`, `cargo-features-manager`)
- Improved virtualisation config with `nvidia-docker`
- Added new work tools (`ssm-session-manager-plugin`, `redli`)
- Updated Helix, Qutebrowser, and Oterm configs
- Added Open WebUI and SearXNG config files

nixos/llm.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, config, ... }:
 
 {
 
@@ -14,9 +14,13 @@
       server = {
         port = 7777;
         bind_address = "127.0.0.1";
-        secret_key = "your_key_here"; # FIXME: generate and paste your custom key here
+        secret_key = "@SEARX_SECRET_KEY@"; # FIXME: Set up this key in the .env file described below, name of variable `SEARX_SECRET_KEY`
+      };
+      search = {
+        formats = [ "html" "json" ];
       };
     };
+    environmentFile = "${config.users.users.xnm.home}/.config/.env.searxng"; # FIXME: The location of the `.env` file where you need to set up the key
   };
 
   services.open-webui = {

nixos/rust.nix

@@ -24,6 +24,8 @@
     cargo-modules
     cargo-bloat
     cargo-unused-features
+    cargo-feature
+    cargo-features-manager
     bacon
     evcxr #rust repl
   ];

nixos/virtualisation.nix

@@ -5,30 +5,32 @@
   # virtualisation.containerd.enable = true;
 
   # Enable Docker
-  # virtualisation.docker.enable = true;
-  # virtualisation.docker.rootless = {
+  # virtualisation.docker = {
   #   enable = true;
-  #   setSocketVariable = true;
+  #   rootless = {
+  #     enable = true;
+  #     setSocketVariable = true;
+  #     daemon.settings.features.cdi = true;
+  #   };
   # };
   # users.extraGroups.docker.members = [ "xnm" ];
 
   # Enable Podman
-  virtualisation = {
-    podman = {
-      enable = true;
+  virtualisation.podman = {
+    enable = true;
 
-      # Create a `docker` alias for podman, to use it as a drop-in replacement
-      dockerCompat = true;
-      dockerSocket.enable = true;
+    # Create a `docker` alias for podman, to use it as a drop-in replacement
+    dockerCompat = true;
+    dockerSocket.enable = true;
 
-      # Required for containers under podman-compose to be able to talk to each other.
-      defaultNetwork.settings.dns_enabled = true;
-    };
+    # Required for containers under podman-compose to be able to talk to each other.
+    defaultNetwork.settings.dns_enabled = true;
   };
   environment.variables.DBX_CONTAINER_MANAGER = "podman";
   users.extraGroups.podman.members = [ "xnm" ];
 
   environment.systemPackages = with pkgs; [
+    nvidia-docker
     # nerdctl
 
     # firecracker

nixos/work.nix

@@ -5,9 +5,11 @@
     slack
     aws-sam-cli
     awscli2
+    ssm-session-manager-plugin
     cargo-lambda
     gnumake
     cmake
+    redli
     firebase-tools
   ];
 }