Improve member adding and excluding flow

Allow to exclude a member

Send emails to the member when it's excluded

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

js/src/views/Group/GroupList.vue

@@ -18,7 +18,7 @@
 
 <script lang="ts">
 import { Component, Vue } from "vue-property-decorator";
-import { LIST_GROUPS } from "@/graphql/actor";
+import { LIST_GROUPS } from "@/graphql/group";
 import { Group, IGroup } from "@/types/actor";
 import GroupMemberCard from "@/components/Group/GroupMemberCard.vue";
 import RouteName from "../../router/name";