feat: install apps using homebrew instead of nix

modules/darwin/apps.nix

@@ -0,0 +1,78 @@
+{ pkgs, ...}: {
+
+  ##########################################################################
+  # 
+  #  MacOS specific nix-darwin configuration
+  #
+  #  Nix is not well supported on macOS, I met some strange bug recently.
+  #  So install apps using [homebrew](https://daiderd.com/nix-darwin/manual/index.html#opt-homebrew.enable) here.
+  # 
+  ##########################################################################
+
+  system = {
+    defaults = {
+      dock = {
+        autohide = true;
+      };
+
+      finder = {
+        _FXShowPosixPathInTitle = false;
+      };
+    };
+
+    keyboard = {
+      enableKeyMapping = true;
+      remapCapsLockToControl = true;
+    };
+  };
+
+  homebrew = {
+    enable = true;
+
+    onActivation = {
+      autoUpdate = false;
+      # 'zap': uninstalls all formulae(and related files) not listed in the generated Brewfile
+      cleanup = "zap";
+    };
+
+    taps = [
+      "homebrew/cask"
+      "homebrew/cask-fonts"
+      "homebrew/services"
+      "homebrew/cask-versions"
+
+      "hashicorp/tap"
+      "pulumi/tap"
+    ];
+
+    brews = [
+      # `brew install`
+      "httpie"
+    ];
+
+    # `brew install --cask`
+    casks = [
+      "firefox"
+      "google-chrome"
+      "visual-studio-code"
+      "visual-studio-code-insiders"
+
+      "telegram"
+      "discord"
+
+      # "anki"
+      "clashx"
+      "iina"
+      "openinterminal-lite"
+      "syncthing"
+      "raycast"
+      "iglance"
+
+      "iterm2"
+      "insomnia"
+      "wireshark"
+      "jdk-mission-control"
+      "google-cloud-sdk"
+    ];
+  };
+}