Restructured nixos code for better structure. Commented what each package is for.

modules/packages/cli.nix

@@ -2,18 +2,19 @@
 {
   environment.systemPackages = with pkgs; [
     #CLI tools
-    pdftk
-    yt-dlp
-    tailscale
-    speedtest-cli
+    pdftk    #PDF toolkit
+    yt-dlp    #YouTube and others video downloader
+    tailscale   #VPN
+    speedtest-cli   #Internet speed tester
     #duplicati
     #ollama
     cloudflare-warp
     ddrescue
     texliveFull		#LaTeX PDF maker
-    lazygit
-    gtypist
-    powertop
-    file
+    lazygit   #Git CLI tool with TUI
+    gtypist   #Typing tutor
+    powertop    #Power consumption monitor and optimizer
+    file    #File type identifier
+    hashcat   #Password recovery/cracking tool
   ];
 }