Introduce group basic federation, event new page and notifications

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

js/src/graphql/member.ts

@@ -0,0 +1,24 @@
+import gql from "graphql-tag";
+
+export const INVITE_MEMBER = gql`
+  mutation InviteMember($groupId: ID!, $targetActorUsername: String!) {
+    inviteMember(groupId: $groupId, targetActorUsername: $targetActorUsername) {
+      id
+      role
+      parent {
+        id
+      }
+      actor {
+        id
+      }
+    }
+  }
+`;
+
+export const ACCEPT_INVITATION = gql`
+  mutation AcceptInvitation($id: ID!) {
+    acceptInvitation(id: $id) {
+      id
+    }
+  }
+`;