Convert and resize avatars to fit the displayed images

package.json

@@ -16,6 +16,7 @@
   "devDependencies": {
     "@sveltejs/adapter-node": "^1.2.3",
     "@sveltejs/kit": "^1.5.0",
+    "@types/node": "^18.16.3",
     "@types/sqlite3": "^3.1.8",
     "@types/ws": "^8.5.4",
     "@typescript-eslint/eslint-plugin": "^5.45.0",
@@ -36,7 +37,11 @@
   "dependencies": {
     "dotenv": "^16.0.3",
     "feed": "^4.2.2",
+    "sharp": "^0.32.0",
     "sqlite3": "^5.1.6",
     "ws": "^8.13.0"
+  },
+  "engines": {
+    "node": ">=18.0.0"
   }
 }