docs(watchers): add aw-watcher-window-hyprland (#150)

Author: bobvanderlinden

src/watchers.rst

@@ -21,6 +21,7 @@ Watches the active window, its title, and application name.
 - :gh-aw:`aw-watcher-window` - The official window watcher for Windows, macOS, and Linux (X11 only).
 - :gh-aw:`aw-watcher-window-wayland` - A window watcher for Wayland, by :gh-user:`johan-bjareholt`.
 - :gh:`2e3s/awatcher` - A compiled watcher for X11 and Wayland to replace default window and AFK watchers, by :gh-user:`2e3s`.
+- :gh-aw:`aw-watcher-window-hyprland` - A window watcher for Hyprland, by :gh-user:`bobvanderlinden`.
 
 Browser watchers
 ----------------