First working version of snapping to already existing ways from the add-UI (still too slow though), partial fix of #436

Customizations/JSON/PresetConfig.ts

@@ -0,0 +1,16 @@
+import {Translation} from "../../UI/i18n/Translation";
+import {Tag} from "../../Logic/Tags/Tag";
+
+export default interface PresetConfig {
+    title: Translation,
+    tags: Tag[],
+    description?: Translation,
+    /**
+     * If precise input is set, then an extra map is shown in which the user can drag the map to the precise location
+     */
+    preciseInput?: {
+        preferredBackground?: string[],
+        snapToLayers?: string[],
+        maxSnapDistance?: number
+    }
+}