feat: Add decky-proton-launch plugin to Plugin Store (#1016)

Co-authored-by: Beebles <102569435+beebls@users.noreply.github.com>

Author: moi952

.gitmodules

@@ -362,6 +362,9 @@
 [submodule "plugins/decky-nonsteam-badges"]
 	path = plugins/decky-nonsteam-badges
 	url = https://github.com/sebet/decky-nonsteam-badges
+[submodule "plugins/decky-proton-launch"]
+	path = plugins/decky-proton-launch
+	url = https://github.com/moi952/decky-proton-launch.git
 [submodule "plugins/Deck-Shelves"]
 	path = plugins/Deck-Shelves
 	url = https://github.com/santojon/Deck-Shelves.git