Schema for repository:

announcements/
├── 2002-01-01-00.md
├── 2002-01-01-01.md
├── 2002-01-02-00.md
└── ...
assets/
├── 2002-01-01-00/
│   ├── images/
│   │   └── ...
│   ├── videos/
│   │   └── ...
│   └── ...
├── 2002-01-01-01/
│   ├── images/
│   │   └── ...
│   ├── videos/
│   │   └── ...
│   └── ...
├── 2002-01-02-00/
│   ├── images/
│   │   └── ...
│   ├── videos/
│   │   └── ...
│   └── ...
└── ...

Schema for announcement markdown files:

---
title: "Title of the Announcement"
date: "YYYY-MM-DD"
author: Author's Name
tags: [tag1, tag2, tag3]
summary: short summary of the announcement 
---

# Title of the Announcement

## Summary

- Summary of the announcement.

## Detail

- Detail description of the announcement.

## Contacts

- Name: Contact Person
- Email: [email protected]
- Phone: (123) 456-7890