feat: Convert HTML documentation to markdown and add web format

- Convert all HTML documentation files to markdown format in /docs folder
- Add markdown links to HTML documentation pages
- Update all aitbc.io references to aitbc.bubuit.net
- Create HTML web format versions of key documentation files
- Update documentation index to show both HTML and web format options
- Add flowchart documentation explaining CLI job submission process

website/docs/marketplace-web.html

@@ -469,6 +469,11 @@ body.light {
 
             <!-- Reader Level Cards -->
             <div class="reader-levels">
+                <div class="alert alert-info" style="grid-column: 1 / -1; background: #dbeafe; border-left: 4px solid #3b82f6; color: #1e40af; margin-bottom: 2rem; padding: 1rem; border-radius: 8px;">
+                    <strong>📚 Also available in Markdown:</strong> 
+                    <a href="https://gitea.bubuit.net/oib/aitbc/src/branch/main/docs/marketplace-web.md" target="_blank" style="color: #1e40af; text-decoration: underline;">View this documentation in markdown format</a> for easier contribution and version control.
+                </div>
+                
                 <!-- Miners Card -->
                 <div class="reader-card miner">
                     <div class="reader-icon">
@@ -558,7 +563,7 @@ body.light {
                         <i class="fab fa-discord"></i>
                         <span>Community</span>
                     </a>
-                    <a href="mailto:support@aitbc.io" class="link-item">
+                    <a href="mailto:aitbc@bubuit.net" class="link-item">
                         <i class="fa fa-envelope"></i>
                         <span>Support</span>
                     </a>
@@ -581,7 +586,7 @@ body.light {
                     <a href="https://discord.gg/aitbc" class="btn">
                         <i class="fab fa-discord"></i> Join Discord
                     </a>
-                    <a href="mailto:support@aitbc.io" class="btn btn-outline">
+                    <a href="mailto:aitbc@bubuit.net" class="btn btn-outline">
                         <i class="fa fa-envelope"></i> Email Support
                     </a>
                     <a href="#" class="btn btn-outline">