docs: cargo features (#3527)

* dialog

* fs

* geolocation

* haptic

* log

* single instance

* notification

* updater

* ##

* persisted scopes

* stronghold

* sql

* upload

* websocket

* http
(this one was too long that I generated through codex, didn't review yet)

* add change file

* no persisted-scope-js

* add `://`

* Merge branch 'v2' into document-cargo-features

* update system-proxy docs

* finish http docs

* notification doesn't need version bumps

* clean up docs

plugins/notification/src/lib.rs

@@ -3,6 +3,10 @@
 // SPDX-License-Identifier: MIT
 
 //! Send message notifications (brief auto-expiring OS window element) to your user. Can also be used with the Notification Web API.
+//!
+//! ## Cargo features
+//!
+//! - **windows7-compat**: Adds support for the legacy Windows 7 notification implementation and Windows-version detection.
 
 #![doc(
     html_logo_url = "https://github.com/tauri-apps/tauri/raw/dev/app-icon.png",