Added README.md as a source of proposed changes to the current archetecture, updated coven configuration to include configurations added to the README not reflected in code

hosts/coven/configuration.nix

@@ -48,6 +48,7 @@
 
   services.thermald.enable = true;
   powerManagement.powertop.enable = true;
+  services.fstrim.enable = true;
 
   # KDE Plasma 6
   services.displayManager.sddm.enable = true;
@@ -133,6 +134,7 @@
     pcsc-tools
     pinentry-curses
     ranger
+    nodejs_24
   ];
   programs.noisetorch.enable = true;
   # Note: system.autoUpgrade with a channel URL does not apply to flake-managed