added leaderboard (closes #29)

assets/config.json

@@ -1,5 +1,6 @@
 {
 	"player.name": "Player",
+	"player.leaderboards": false,
 
 	"input.touchscreen.crosspad.enabled": false,
 	"input.touchscreen.crosspad.overlay": true,

assets/levelList.json

@@ -6,7 +6,9 @@
 			"speedIncrease": false,
 			"worldWrap": false,
 			"winCondition": "fruit",
-			"scoreSystem": "speedrun"
+			"scoreSystem": "speedrun",
+			"uploadOnDeath": false,
+			"leaderboardsSort": "timeA"
 		},
 		"levelFilename": "level<n>.json",
 		"levelDisplay": "Level <n>",
@@ -22,7 +24,9 @@
 			"speedIncrease": true,
 			"speedMultiplier": 0.9,
 			"speedCap": 50,
-			"worldWrap": true
+			"worldWrap": true,
+			"uploadOnDeath": true,
+			"leaderboardsSort": "score"
 		},
 		"levelFilename": "arcade-<l>.json",
 		"levelDisplay": "<n>",

assets/metaConfig.json

@@ -6,6 +6,11 @@
 		"name": "Player name",
 		"type": "string"
 	},
+	"player.leaderboards": {
+		"name": "Upload scores to leaderboards",
+		"type": "boolean",
+		"needsBackend": true
+	},
 
 	"input": {
 		"name": "Input settings"