chore: dirb + descriptions

kali/flake.nix

@@ -17,16 +17,18 @@
   in {
     devShells.default = pkgs.mkShell {
       packages = with pkgs; [
-        ghidra-bin
+        dirb # Web content scanner
+        ghidra-bin # Software Reverse Engineering
         hash-identifier
-        john
-        ltrace
-        metasploit
-        nikto
-        nmap
-        smbclient-ng
-        strace
-        thc-hydra
+        john # Password cracker
+        ltrace # Library call tracer
+        metasploit # collection of exploits
+        nikto # Web server scanner
+        nmap # Network discovery
+        smbclient-ng # SMB
+        social-engineer-toolkit
+        strace # System call tracer
+        thc-hydra # Logon cracker
 
         (wordlists.override { lists = with pkgs; [
           rockyou