feat: adds zathura as a pdf reader

modules/home/default.nix

@@ -7,6 +7,7 @@
     ++ [(import ./kitty.nix)]                     # terminal
     ++ [(import ./mako.nix)]                      # notification deamon
     ++ [(import ./nvim.nix)]                      # neovim editor
+    ++ [(import ./zathura.nix)]                      # neovim editor
     ++ [(import ./packages.nix)]                  # other packages
     ++ [(import ./scripts/scripts.nix)]           # personal scripts
     ++ [(import ./swaylock.nix)]                  # lock screen

modules/home/zathura.nix

@@ -0,0 +1,14 @@
+{ ... }:
+{
+  programs.zathura = {
+    enable = true;
+
+    options = {
+      guioptions = "v";
+      adjust-open = "width";
+      statusbar-basename = true;
+      render-loading = false;
+      scroll-step = 920;
+    };
+  };
+}