Add GPX Map shortcode and related assets for displaying GPX tracks

static/admin/config.yml

@@ -53,6 +53,16 @@ collections:
         media_library:
           config:
             multiple: true
+      - label: "GPX Files"
+        name: "gpxFiles"
+        widget: "file"
+        required: false
+        choose_url: true
+        media_library:
+          media_folder: "/static/uploads/gpx"
+          public_folder: "/images/uploads"
+          config:
+            multiple: true
       - { label: "Body", name: "body", widget: "markdown" }
   ########################
   # POSTS COLLECTION