install ffmpeg, pyright; exclude vms from backup; make kitty transparent

home/kitty.nix

@@ -13,6 +13,7 @@
       # for confirmation
       confirm_os_window_close = 0;
       clear_all_shortcuts = true;
+      background_opacity = 0.85;
 
       # will probably lower this later but the max allowed is actually 4GB
       # this is NOT stored in memory and can only be viewed with scrollback_pager

home/yt/ytnix.nix

@@ -93,6 +93,7 @@
       keepassxc
       ida-free
       jujutsu
+      ffmpeg
     ];
 
   home.sessionVariables = {
@@ -155,6 +156,7 @@
       delta
       taplo
       llvmPackages.clang-tools
+      pyright
     ];
   };