feat: add distributed-builds & many hosts

feat: remove nur & devenv
feat: adjust the structure to make it suitable for servers
feat: add iso/proxmox generators and add docs about it
feat: update ryan's openssh keys & add hashedPassword
feat: add proxmox's nodes into ssh_config, with alias

home/base/server/tmux/custom-plugins.nix

@@ -0,0 +1,16 @@
+{ pkgs, ... }:
+
+let
+  buildTmuxPlugin = pkgs.tmuxPlugins.mkTmuxPlugin;
+in
+{
+  draculaTheme = buildTmuxPlugin {
+    pluginName = "dracula";
+    version = "v2.2.0";
+    src = builtins.fetchTarball {
+      name   = "dracula-tmux-v2.2.0";
+      url    = "https://github.com/dracula/tmux/archive/refs/tags/v2.2.0.tar.gz";
+      sha256 = "sha256:0v2k994yy4xx2iw8qxg7qphw46gq2qmg496i3a3h9b6jgwxqm7zn";
+    };
+  };
+}

home/base/server/tmux/default.nix

@@ -0,0 +1,64 @@
+{ config, pkgs, ... }:
+
+let
+  plugins  = pkgs.tmuxPlugins // pkgs.callPackage ./custom-plugins.nix {};
+in
+{
+  programs.tmux = {
+    enable = true;
+
+    # Resize the window to the size of the smallest session for which it is the current window.
+    # 
+    aggressiveResize = true;
+
+    # https://github.com/tmux-plugins/tmux-sensible
+    # tmux-sensible overwrites default tmux shortcuts, makes them more sane.
+    sensibleOnTop = true;
+    
+    # extraConfig =  builtins.readFile ./tmux.conf;
+    # keyMode = "vi";  # default is emacs
+    
+    baseIndex = 1; # start index from 1
+    escapeTime = 0; # do not wait for escape key
+    terminal = "xterm-256color";
+
+    plugins = with plugins; [
+      draculaTheme # theme
+      {
+        # https://github.com/tmux-plugins/tmux-continuum
+        # Continuous saving of tmux environment. Automatic restore when tmux is started.
+        # Automatic tmux start when computer is turned on. 
+        plugin = continuum;
+        extraConfig = ''
+          set -g @continuum-boot 'on'
+          set -g @continuum-save-interval '15'
+          
+          # Option to display current status of tmux continuum in tmux status line. 
+          set -g status-right 'Continuum status: #{continuum_status}'
+        '';
+      }
+      {
+        # https://github.com/tmux-plugins/tmux-resurrect
+        # Manually persists tmux environment across system restarts.
+        #   prefix + Ctrl-s - save
+        #   prefix + Ctrl-r - restore
+        # 
+        plugin = resurrect;
+        # Restore Neovim sessions
+        extraConfig = "set -g @resurrect-strategy-nvim 'session'";
+      }
+      {
+        # https://github.com/tmux-plugins/tmux-yank
+        # Enables copying to system clipboard.
+        plugin = yank;
+      }
+      # set -g @plugin 'tmux-plugins/tmux-cpu'
+      {
+        plugin = cpu;
+        extraConfig = ''
+          set -g status-right '#{cpu_bg_color} CPU: #{cpu_icon} #{cpu_percentage} | %a %h-%d %H:%M '
+        '';
+      }
+    ];
+  };
+}