chore: team stuff (#1228)

- Added functionality to decline team invitations
- Added email notifications for when team is deleted
- Added email notifications for team members joining and leaving

apps/web/src/app/(dashboard)/settings/teams/decline-team-invitation-button.tsx

@@ -0,0 +1,46 @@
+'use client';
+
+import { trpc } from '@documenso/trpc/react';
+import { Button } from '@documenso/ui/primitives/button';
+import { useToast } from '@documenso/ui/primitives/use-toast';
+
+export type DeclineTeamInvitationButtonProps = {
+  teamId: number;
+};
+
+export const DeclineTeamInvitationButton = ({ teamId }: DeclineTeamInvitationButtonProps) => {
+  const { toast } = useToast();
+
+  const {
+    mutateAsync: declineTeamInvitation,
+    isLoading,
+    isSuccess,
+  } = trpc.team.declineTeamInvitation.useMutation({
+    onSuccess: () => {
+      toast({
+        title: 'Success',
+        description: 'Declined team invitation',
+        duration: 5000,
+      });
+    },
+    onError: () => {
+      toast({
+        title: 'Something went wrong',
+        variant: 'destructive',
+        duration: 10000,
+        description: 'Unable to decline this team invitation at this time.',
+      });
+    },
+  });
+
+  return (
+    <Button
+      onClick={async () => declineTeamInvitation({ teamId })}
+      loading={isLoading}
+      disabled={isLoading || isSuccess}
+      variant="ghost"
+    >
+      Decline
+    </Button>
+  );
+};