feat(home/base): replace tldr with tealdeer, add more nu_scripts

home/base/core/core.nix

@@ -5,7 +5,6 @@
 }: {
   home.packages = with pkgs; [
     # Misc
-    tldr
     cowsay
     gnupg
     gnumake
@@ -102,6 +101,22 @@
       };
     };
 
+    # very fast version of tldr in Rust
+    tealdeer = {
+      enable = true;
+      enableAutoUpdates = true;
+      settings = {
+        display = {
+          compact = false;
+          use_pager = true;
+        };
+        updates = {
+          auto_update = false;
+          auto_update_interval_hours = 720;
+        };
+      };
+    };
+
     # zoxide is a smarter cd command, inspired by z and autojump.
     # It remembers which directories you use most frequently,
     # so you can "jump" to them in just a few keystrokes.