Add host modules and home options; update README

hosts/default/home-modules.nix

@@ -0,0 +1,66 @@
+_: {
+  /*
+  Development editors and IDEs
+  */
+  # VSCodium: a free and open-source "demicrosofted" VSCode
+  vscodium.enable = false;
+  # Zed Editor: a modern, high‑performance code editor
+  zed-editor = {
+    # Enable Zed Editor
+    enable = true;
+    # Remote Server: enable remote editing capabilities
+    remote-server = true;
+  };
+
+  /*
+  Web browsers
+  */
+  # Librewolf: a privacy-focused Firefox fork
+  librewolf.enable = true;
+  # Ungoogled Chromium: a privacy-focused Chromium fork
+  ungoogled-chromium.enable = true;
+
+  /*
+  System utilities
+  */
+  # Btop: a resource monitor for the terminal
+  btop.enable = true;
+  # Cava: terminal audio visualizer
+  cava.enable = false;
+  # Fastfetch: a fast system information tool
+  fastfetch.enable = true;
+
+  /*
+  Communication and synchronization
+  */
+  # KDE Connect: integrate your phone and desktop
+  kdeconnect.enable = false;
+  # Nextcloud Client: sync files with a Nextcloud server
+  nextcloud-client.enable = true;
+  # Vesktop: a community‑driven Discord client
+  vesktop.enable = true;
+
+  /*
+  Gaming
+  */
+  # Lutris: an open gaming platform
+  lutris.enable = false;
+
+  /*
+  Media recording and streaming
+  */
+  # OBS Studio: streaming and recording software
+  obs-studio.enable = false;
+
+  /*
+  Office suite
+  */
+  # OnlyOffice: an office suite compatible with Microsoft formats
+  onlyoffice.enable = true;
+
+  /*
+  Learning tools
+  */
+  # Anki: spaced‑repetition flashcard program
+  anki.enable = true;
+}