add png compression to save space

package-lock.json

@@ -10,7 +10,8 @@
       "license": "SEE LICENSE IN README.md",
       "dependencies": {
         "dotenv": "^17.2.1",
-        "puppeteer": "^24.17.1"
+        "puppeteer": "^24.17.1",
+        "upng-js": "^2.1.0"
       },
       "devDependencies": {
         "@eslint/js": "^9.34.0",
@@ -1475,6 +1476,12 @@
         "node": ">= 14"
       }
     },
+    "node_modules/pako": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+      "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==",
+      "license": "(MIT AND Zlib)"
+    },
     "node_modules/parent-module": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
@@ -1871,6 +1878,15 @@
       "license": "MIT",
       "optional": true
     },
+    "node_modules/upng-js": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/upng-js/-/upng-js-2.1.0.tgz",
+      "integrity": "sha512-d3xzZzpMP64YkjP5pr8gNyvBt7dLk/uGI67EctzDuVp4lCZyVMo0aJO6l/VDlgbInJYDY6cnClLoBp29eKWI6g==",
+      "license": "MIT",
+      "dependencies": {
+        "pako": "^1.0.5"
+      }
+    },
     "node_modules/uri-js": {
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",