feat: add MCP server for the website chatbot over a mirrored TYPO3 content feed

.env

@@ -82,8 +82,11 @@ APP_LEGAL_NOTICE_URL="https://www.ep-reisen.de/unternehmen/impressum-skireisever
 APP_TERMS_AND_CONDITIONS_URL="https://www.ep-reisen.de/skireisen/infos/allgemeine-infos/agb/"
 APP_PRIVACY_POLICY_URL="https://www.ep-reisen.de/unternehmen/impressum-skireiseveranstalter/datenschutz-winterreisen/"
 APP_CMS_API_BASE_URL="https://www.ep-reisen.de/"
-# TYPO3 API key (X-Api-Key), sent by the typo3.client scoped client; the real value per stage goes in .env.local
+# TYPO3 API key (X-Api-Key), sent by the typo3.client scoped client and by app:content:sync;
+# the real value per stage goes in .env.local
 APP_CMS_API_KEY=
+# Static bearer token n8n sends to the chatbot MCP endpoint (/mcp); empty refuses every request
+APP_MCP_TOKEN=
 APP_WEBSITE_BASE_URL="https://www.ep-reisen.de/"
 APP_BASE_URL="https://my.ep-reisen.de"
 APP_CUSTOMER_SERVICE_EMAIL="[email protected]"