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/default.nix

@@ -0,0 +1,13 @@
+{ ... }:
+{
+  imports = [
+    ./nushell
+    ./tmux
+
+    ./bash.nix
+    ./core.nix
+    ./git.nix
+    ./starship.nix
+  ];
+
+}