Send registration email, add mail validation page, stabilize mail generation

server/api/auth/register.post.ts

@@ -73,6 +73,19 @@ export default defineEventHandler(async (e): Promise<Return> => {
 
             logSession(e, await setUserSession(e, { user: { id: id.id, username: body.data.username, email: body.data.email, state: 0, signin: new Date(), permissions: [] } }) as UserSessionRequired);
 
+            runTask('mail', {
+                payload: {
+                    type: 'mail',
+                    to: [body.data.email],
+                    template: 'registration',
+                    data: {
+                        username: body.data.username,
+                        timestamp: Date.now(),
+                        id: id.id,
+                    }
+                }
+            });
+
             setResponseStatus(e, 201);
             return { success: true, session };
         }