Update version number to 2.0.6 across codebase

- Fix version inconsistencies in server.js API status endpoint
- Update User-Agent string in RSS feed manager
- Update version in config file templates
- Update dashboard display with version 2.0.6
- Add version 2.0.6 to version history with changelog

🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>

public/index.html

@@ -545,7 +545,7 @@
             <div class="container">
                 <div class="row">
                     <div class="col-md-6">
-                        <p>Transmission RSS Manager v2.0.0</p>
+                        <p>Transmission RSS Manager v2.0.6</p>
                     </div>
                     <div class="col-md-6 text-right">
                         <p><a href="https://git.powerdata.dk/masterdraco/transmission-rss-manager" target="_blank" rel="noopener noreferrer">GitHub</a> | <a href="#" id="show-about-modal">About</a></p>
@@ -592,6 +592,16 @@
                 
                 <h4>Version History</h4>
                 <div class="version-history">
+                    <div class="version">
+                        <h5>v2.0.6 - March 2025</h5>
+                        <ul>
+                            <li><strong>Fixed</strong>: Remote Transmission configuration storage and application</li>
+                            <li><strong>Fixed</strong>: Config directory issues in /etc/transmission-rss-manager</li>
+                            <li><strong>Fixed</strong>: Input handling for automated/piped installations</li>
+                            <li><strong>Improved</strong>: Non-interactive mode for scripted installations</li>
+                            <li><strong>Added</strong>: Enhanced debug logging for installation process</li>
+                        </ul>
+                    </div>
                     <div class="version">
                         <h5>v2.0.0 - March 2025</h5>
                         <ul>