feat: access labrinth backend (#6284)

* feat: redirect `/hosting` to archon

* feat: server invite notification type

* feat: direct email notification endpoint

* feat: revoke notification endpoint

* feat: specify users to remove notifications from

* refactor: insert notifications before sending emails

* refactor: rename endpoint

* refactor: remove archon redirect

* style: mark field unused

* feat: dedup external notifications

* feat: add server invite email templates

* style: remove unnecessary format

---------

Co-authored-by: sychic <47618543+Sychic@users.noreply.github.com>

apps/labrinth/src/models/v2/notifications.rs

@@ -11,6 +11,7 @@ use crate::models::{
 use ariadne::ids::UserId;
 use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
+use uuid::Uuid;
 
 #[derive(Serialize, Deserialize)]
 pub struct LegacyNotification {
@@ -66,6 +67,12 @@ pub enum LegacyNotificationBody {
         team_id: TeamId,
         role: String,
     },
+    ServerInvite {
+        server_id: Uuid,
+        server_name: String,
+        invited_by: UserId,
+        role: String,
+    },
     StatusChange {
         project_id: ProjectId,
         old_status: ProjectStatus,
@@ -166,6 +173,9 @@ impl LegacyNotification {
             NotificationBody::OrganizationInvite { .. } => {
                 Some("organization_invite".to_string())
             }
+            NotificationBody::ServerInvite { .. } => {
+                Some("server_invite".to_string())
+            }
             NotificationBody::StatusChange { .. } => {
                 Some("status_change".to_string())
             }
@@ -269,6 +279,17 @@ impl LegacyNotification {
                 team_id,
                 role,
             },
+            NotificationBody::ServerInvite {
+                server_id,
+                server_name,
+                invited_by,
+                role,
+            } => LegacyNotificationBody::ServerInvite {
+                server_id,
+                server_name,
+                invited_by,
+                role,
+            },
             NotificationBody::StatusChange {
                 project_id,
                 old_status,