- improvement of marked editor in eveai_chat_client by modernising options approach

- removal of old and obsolete HTML files
- change of package.json to point to a specific version of marked

config/static-manifest/manifest.json

@@ -1,5 +1,5 @@
 {
-  "dist/chat-client.js": "dist/chat-client.24c00fcd.js",
+  "dist/chat-client.js": "dist/chat-client.13481d75.js",
   "dist/chat-client.css": "dist/chat-client.7d8832b6.css",
   "dist/main.js": "dist/main.f3dde0f6.js",
   "dist/main.css": "dist/main.c40e57ad.css"