add URL for plans

src/views/NewEditProjectView.vue

@@ -40,6 +40,12 @@
       {{ fullClaim.description.length }}/5000 max. characters
     </div>
 
+    <input
+      v-model="fullClaim.url"
+      placeholder="Website"
+      class="block w-full rounded border border-slate-400 mb-4 px-3 py-2"
+    />
+
     <div class="flex items-center mb-4">
       <input
         type="checkbox"
@@ -142,7 +148,7 @@ export default class NewEditProjectView extends Vue {
     "@type": "PlanAction",
     name: "",
     description: "",
-  };
+  }; // this default is only to avoid errors before plan is loaded
   includeLocation = false;
   latitude = 0;
   longitude = 0;