chore: update changelog for version 0.5.10 (#453)

- Bump version from 0.5.9 to 0.5.10
- Add changelog entry for 0.5.10 release
- Update i18n translations for new changelog items

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hermes-web-ui",
-  "version": "0.5.9",
+  "version": "0.5.10",
   "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",
@@ -121,4 +121,4 @@
     "vue-tsc": "^3.2.6",
     "ws": "^8.20.0"
   }
-}
+}