feat: made fish the default shell and a few other things

modules/applications/shells/aliases.nix

@@ -0,0 +1 @@
+{ ls = "exa -l"; }

modules/applications/shells/default.nix

@@ -1,7 +1 @@
-{ ... }: {
-  imports = [ ./sessionVariables.nix ];
-  home-manager.users.adrielus.programs = {
-    zsh.enable = true;
-    fish.enable = true;
-  };
-}
+{ pkgs, ... }: { imports = [ ./sessionVariables.nix ./fish.nix ]; }

modules/applications/shells/fish.nix

@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+let shellAliases = import ./aliases.nix;
+in {
+  home-manager.users.adrielus.programs.fish = {
+    inherit shellAliases;
+
+    enable = true;
+    # plugins = [{
+    #   name = "agnoster";
+    #   src = pkgs.agnoster;
+    # }];
+  };
+}