feat(home): add prismlauncher and ida apps, enable ollama service

feat(nixos): enable ollama service with cuda support
fix(nixos): update llama service to use fixed port and remove commented code
chore(home): reorganize app imports and remove unused packages

nixos/ryu/services/default.nix

@@ -4,8 +4,8 @@
     # ./sunshine.nix
     # ./zerotier.nix
     # ./dnscrypt.nix
-    # ./ollama.nix
     ./llama.nix
+    ./ollama.nix
     ./tailscale.nix
     ./samba.nix
     ./mullvad.nix