modules: add minimal entrypoint to only enable core modules

docs/release-notes/rl-2511.md

@@ -48,6 +48,24 @@ This release has the following notable changes:
   to your configuration. This option is likely to be deprecated in the
   future.
 
+- By default, Home Manager imports all modules, which leads to
+  increased evaluation time. Some users may wish to only import the
+  modules they actually use. To accomodate this, a new option
+  `home-manager.minimal` has been added. When this option is enabled,
+  Home Manager will only import the basic set of modules it requires
+  to function. Other modules will have to be enabled manually, like
+  this:
+
+
+  ```nix
+    imports = [
+      "${modulesPath}/programs/fzf.nix"
+    ];
+  ```
+
+  This entrypoint is only recommended for advanced users, who are
+  comfortable maintaining a personal list of modules to import.
+
 - The use of `services.syncthing.tray` as a Boolean option was removed
   after being deprecated in 2021. You are now expected to use
   [](#opt-services.syncthing.tray.enable) to enable the Syncthing tray