Add better bar-systray patch

patches/bar-systray/README.md

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+### Description
+Add a system tray to the [bar](/dwl/dwl-patches/src/branch/main/patches/bar).
+
+To keep dependencies to minimum, icon(svg) loading from the filesystem is not
+supported. Applications that expect this will show the initial letter of the
+program name, instead of a real icon.
+
+Menus for the icons are handled by a dmenu-like program of the user's choice.
+
+### Dependencies
+- [bar.patch](/dwl/dwl-patches/src/branch/main/patches/bar)
+- [libdbus](https://gitlab.freedesktop.org/dbus/dbus)
+
+### Download
+- [git branch](/janetski/dwl/src/branch/0.7-bar-systray)
+- [0.7](/dwl/dwl-patches/raw/branch/main/patches/bar-systray/bar-systray-0.7.patch)
+
+### Authors
+- [janetski](https://codeberg.org/janetski) ([.vetu](https://discordapp.com/users/355488216469471242) on discord)