add schildichat, copy from element

bash/usr-local-bin/schildichat

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -x
+# Flatpak is preferred for Element not having official Fedora repositories
+# and at the time of writing being unmaintained in upstream suggested repo.
+flatpak run chat.schildi.desktop --disable-gpu --enable-features=UseOzonePlatform,WaylandWindowDecorations,WebRTCPipeWireCapturer --ozone-platform=wayland "$@"
+set +x