feat: add discord presence neovim plugin

modules/home/programs/nvim/lua/plugins/presence.lua

@@ -0,0 +1,21 @@
+return {
+  -- Discord Rich Presence (minimal + Neovim branding)
+  {
+    "andweeb/presence.nvim",
+    event = "VeryLazy",
+    opts = {
+      -- Neovim branding
+      neovim_image_text = "Neovim",
+      main_image = "neovim",
+
+      -- Minimal/privacy-focused text (no file or workspace details)
+      editing_text = "Editing",
+      file_explorer_text = "Browsing files",
+      git_commit_text = "Committing changes",
+      plugin_manager_text = "Managing plugins",
+      reading_text = "Reading",
+      workspace_text = nil,
+      line_number_text = nil,
+    },
+  },
+}