base/home: Various improvements

zsh: nd-alias
alacritty: fix borders
base: add some default apps (file, zip, htop, etc.)

home/alacritty.nix

@@ -9,10 +9,12 @@
 
       window = {
         padding = {
-          x = 4;
-          y = 4;
+          x = 8;
+          y = 2;
         };
 
+        dynamic_padding = true;
+
         decorations = "none"; # full/none/transparent/buttonless
 
         # Transparency:

home/zsh.nix

@@ -47,6 +47,7 @@
         s = "nix-shell --run zsh";
         sp = "nix-shell --run zsh -p";
         spu = "nix-shell -I nixpkgs=channel:nixos-unstable --run zsh -p";
+        nd = "nix develop --command zsh";
         em = "emacsclient -c";
         emnw = "emacsclient -nw";
         gst = "git status -sb";