Add Game Showcase Page Maintenance Guide documentation

Author: bilibilistack

doc/GameShowCase.md

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+# Game Showcase Page Maintenance Guide
+
+> This document is intended for website administrators to help maintain the content of the Game Showcase page.
+
+---
+
+## Page Overview
+
+The Game Showcase page is managed by administrators to highlight outstanding individual games. It serves as the featured section of the game library.
+
+## Prerequisites
+
+1. **Add a Game**
+     - Path: `/admin/game_dev/game/add/`
+     - Required fields: name, description, completion status, host URL, thumbnail, event, etc.
+
+2. **Add Game Contributors**
+     - Path: `/admin/game_dev/gamecontributor/add/`
+     - Link club members to individual games. Each contributor must first be created in the `/admin/game_dev/member/` member panel.
+
+## Add Game Showcase
+
+1. Navigate to: `/admin/game_dev/gameshowcase/add/`
+2. Use the search function to find the desired game, then click the game ID to populate the value.
+3. Enter the committee's recommendation in the "Description" field.
+4. Save your changes and review the showcase page to ensure the content is correct.
+
+
+## Page Elements Maintenance
+
+- **Game Title**
+    - Edit at: `/admin/game_dev/game/`
+
+- **Recommendation (Committee Advice)**
+    - Edit at: `/admin/game_dev/gameshowcase/`, under the field "Description"
+    - This recommendation appears directly under the game title as advice from the committee.
+
+- **Game Description**
+    - Edit at: `/admin/game_dev/game/`
+    - The description is shown below the cover image and contributor section, and matches the content on the individual game page.
+
+- **Cover Image**
+    - Uses the thumbnail uploaded when adding the game.
+    - Edit at: `/admin/game_dev/game/`
+
+- **Contributors**
+    - Each contributor is a website member, inheriting ID, name, and social media links from the member panel.
+    - Edit member info at: `/admin/game_dev/member/`
+    - Contributor roles can be freely assigned at `/admin/game_dev/gamecontributor/`.
+
+---
+
+