Add Rapid Rescue to 3D game list (#103)

Add Rapid Rescue to 3D game list

README.md

@@ -54,6 +54,7 @@ A curated list of [free/libre](https://www.gnu.org/philosophy/free-sw.html) game
 - [Cheese Hunter](https://github.com/khairul169/cheese-hunter) - A game for Godot Engine Jam of March 2016 (Godot 2.1).
 - [Meteorite](https://github.com/Bauxitedev/meteorite) - A lowres metroidvania FPS, inspired by Metroid Prime, made for LOWREZJAM 2018 (Godot 3.0).
 - [MouseBoat](https://github.com/CowThing/MouseBoat) - Play as a mouse and sail around a pond. Cast your rod and try to catch some fish (Godot 2.0).
+- [Rapid Rescue](https://github.com/Azza292/RapidRescue) - Rapid Rescue is a local multiplayer strategy game inspired by Labyrinth (Godot 3.1).
 - [Super Tux Party](https://anti.itch.io/super-tux-party) - A free/libre and open-source party game that is meant to replicate the feel of games such as Mario Party (Godot 3.1).
 - [Veraball](https://github.com/Veraball/veraball) - Free "roll the ball" game. Collect coins and reach the finish, without falling out of the level (Godot 2.0).