Refactor help plugin, and included metadata to all plugins

plugins/exploitdb.py

@@ -236,3 +236,19 @@ async def handle_command(room, message, bot, prefix, config):
                 f"An error occurred while searching Exploit-DB: {str(e)}"
             )
             logging.error(f"Error in exploitdb plugin: {e}", exc_info=True)
+
+# ---------------------------------------------------------------------------
+# Plugin Metadata
+# ---------------------------------------------------------------------------
+
+__version__ = "1.0.0"
+__author__ = "Funguy Bot"
+__description__ = "Exploit-DB search"
+__help__ = """
+<details>
+<summary><strong>!exploitdb</strong> – Search Exploit Database</summary>
+<p><code>!exploitdb &lt;search term&gt; [max_results]</code> – Search for exploits (title, EDB-ID, type, platform, author, link).<br>
+Example: <code>!exploitdb wordpress 5</code></p>
+<p>Fetches from the official Exploit-DB CSV. Falls back to search links if unavailable.</p>
+</details>
+"""