feat(changelog): add v0.5.1 release notes (9 updates) (#313)

- Auto-sync Hermes history sessions on first startup
- Fix session sync backward compatibility with old Hermes versions
- Smart cleanup of exclusive platform credentials on profile clone
- Auto-normalize profile names to lowercase
- Fix tool_call_id missing for OpenAI API compatibility
- Unify SQLite table schema management
- Optimize model list layout in Provider cards
- Fix long code blocks display issue
- Fix web terminal Docker deployment errors

Added to all 8 languages: en, zh, de, es, fr, ja, ko, pt
(Non-English languages use English as placeholder for future translation)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hermes-web-ui",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "description": "Self-hosted AI chat dashboard for Hermes Agent — multi-model (Claude, GPT, Gemini, DeepSeek) web UI with Telegram, Discord, Slack, WhatsApp integration",
   "repository": {
     "type": "git",