Replace telegraf with node exporter

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/jupiter-vps/default.nix

@@ -6,10 +6,12 @@
 
     ./hardware
 
+    ../common/configs/system/btrfs
     ../common/configs/system/impermanence
     ../common/configs/system/neovim
     ../common/configs/system/nix
     ../common/configs/system/nixpkgs
+    ../common/configs/system/podman
     ../common/configs/system/sops
     ../common/configs/system/sshd
     ../common/configs/system/system
@@ -17,6 +19,7 @@
     ../common/configs/system/zsh
 
     ./configs/boot
+    ./configs/podman
     ./configs/wireguard
   ];