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/desktop/default.nix

@@ -0,0 +1,10 @@
+{ ... }:
+{
+  imports = [
+    ../server
+    
+    ./development.nix
+    ./media.nix
+  ];
+
+}