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>

modules/file-creator-module.sh

@@ -9,7 +9,7 @@ function create_config_files() {
   mkdir -p "$CONFIG_DIR"
   cat > $CONFIG_DIR/config.json << EOF
 {
-  "version": "2.0.3",
+  "version": "2.0.6",
   "installPath": "$INSTALL_DIR",
   "transmissionConfig": {
     "host": "$TRANSMISSION_HOST",

modules/rss-feed-manager.js

@@ -134,7 +134,7 @@ class RssFeedManager {
       const response = await fetch(feed.url, { 
         timeout: 30000,  // 30 second timeout 
         headers: {
-          'User-Agent': 'Transmission-RSS-Manager/1.2.0'
+          'User-Agent': 'Transmission-RSS-Manager/2.0.6'
         }
       });
       

modules/utils-module.sh

@@ -158,7 +158,7 @@ function finalize_setup() {
     
     cat > $CONFIG_DIR/config.json << EOF
 {
-  "version": "1.2.0",
+  "version": "2.0.6",
   "transmissionConfig": {
     "host": "${TRANSMISSION_HOST}",
     "port": ${TRANSMISSION_PORT},