Add dependency of contao-leaflet-libraries

assets/leaflet-providers/bower.json

@@ -0,0 +1,22 @@
+{
+  "name": "leaflet-providers",
+  "version": "1.0.12",
+  "homepage": "https://github.com/leaflet-extras/leaflet-providers",
+  "description": "An extension to Leaflet that contains configurations for various free tile providers.",
+  "main": "leaflet-providers.js",
+  "keywords": [
+    "leaflet",
+    "stamen",
+    "osm"
+  ],
+  "license": "BSD-2-Clause",
+  "ignore": [
+    "**/.*",
+    "node_modules",
+    "bower_components",
+    "test",
+    "tests",
+    "preview",
+    "*.html"
+  ]
+}