Add sunny unlabeld, fix label export

scripts/generateSunnyUnlabeled.ts

@@ -0,0 +1,18 @@
+import { writeFileSync } from "fs"
+import Script from "./Script"
+import sunny from "../public/assets/sunny.json"
+
+export class GenerateSunnyUnlabeled extends Script {
+    constructor() {
+        super("Generates 'sunny-unlabeled.json' based on sunny.json")
+    }
+
+    async main(args: string[]): Promise<void> {
+        const unlabeled = { "#":"AUTOMATICALLY GENERATED! Do not edit.", ...sunny }
+        unlabeled.name = unlabeled.name+"-unlabeled"
+        unlabeled.layers = sunny.layers.filter(l => l.type !== "symbol" || !l.layout["text-field"])
+        writeFileSync("public/assets/sunny-unlabeled.json", JSON.stringify(unlabeled, null, "   "))
+    }
+}
+
+new GenerateSunnyUnlabeled().run()