Add rpcs3 runner

Clean Code

Forgot to add init

lutris/runners/__init__.py

@@ -15,7 +15,7 @@ __all__ = (
     # Nintendo
     "snes9x", "mupen64plus", "dolphin", "desmume", "citra",
     # Sony
-    "ppsspp", "pcsx2",
+    "ppsspp", "pcsx2", "rpcs3",
     # Sega
     "osmose", "dgen", "reicast",
     # Misc legacy systems

lutris/runners/rpcs3.py

@@ -0,0 +1,20 @@
+from lutris.runners.runner import Runner
+
+
+class rpcs3(Runner):
+    human_name = "rpcs3"
+    description = "PlayStation 3 emulator"
+    platforms = ['Sony PlayStation 3']
+    runner_executable = 'rpcs3/bin/rpcs3'
+    game_options = [
+        {
+             	"option": "main_file",
+		"type": "file",
+		"default_path": "game_path",
+		"label": "EBOOT.BIN"
+        }
+    ]
+
+    def play(self):
+       
+        return {'command': [self.get_executable(), self.game_config.get('main_file')] }