Add bookmark this script

Based on Luke Smith's script created during his "Bookmarking for Unix
Chads (For Browsers, Terminals, IDEs and everything else)" video.

https://videos.lukesmith.xyz/w/o5fiME4oJMdVzwSu7mA9mc

home/opdavies/PW05CH3L.nix

@@ -4,6 +4,7 @@
   imports = [ ../common ];
 
   cli = {
+    bookmarkthis.enable = true;
     direnv.enable = true;
     fzf.enable = true;
 

home/opdavies/t480.nix

@@ -5,6 +5,7 @@
 
   cli = {
     bluetuith.enable = true;
+    bookmarkthis.enable = true;
     direnv.enable = true;
     fzf.enable = true;