Introduce group basic federation, event new page and notifications

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/mixins/resource.ts

@@ -0,0 +1,17 @@
+import { Component, Vue } from "vue-property-decorator";
+import { IResource } from "@/types/resource";
+
+@Component
+export default class ResourceMixin extends Vue {
+  static resourcePath(resource: IResource): string {
+    const { path } = resource;
+    if (path && path[0] === "/") {
+      return path.slice(1);
+    }
+    return path || "";
+  }
+
+  static resourcePathArray(resource: IResource): string[] {
+    return ResourceMixin.resourcePath(resource).split("/");
+  }
+}