Add support for rendering emojis in stories and remove hashtags

Install twemoji-parser and node-fetch, create a new EmojiRenderer service for handling emoji rendering on canvas using Twemoji, and update the text processing logic to remove hashtags instead of emojis in shared/emoji.ts.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ae4037a0-2a6f-4530-9bac-79b543286bda
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Event-Id: ff08c9a2-11f7-4c75-8c8f-f60e79069dce
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/397bca8c-984f-43ff-841a-10897aeb8140/ae4037a0-2a6f-4530-9bac-79b543286bda/C5fWcTz

package.json

@@ -48,6 +48,7 @@
     "@types/bcrypt": "^6.0.0",
     "@types/multer": "^2.0.0",
     "@types/node-cron": "^3.0.11",
+    "@types/node-fetch": "^2.6.13",
     "@types/pg": "^8.15.5",
     "bcrypt": "^6.0.0",
     "canvas": "^3.2.0",
@@ -87,6 +88,7 @@
     "tailwind-merge": "^2.6.0",
     "tailwindcss-animate": "^1.0.7",
     "tw-animate-css": "^1.2.5",
+    "twemoji-parser": "^14.0.0",
     "vaul": "^1.1.2",
     "wouter": "^3.3.5",
     "ws": "^8.18.0",