fix: typescript declaration for vue files

closes #103

Author: MatteoGabriele

package.json

@@ -15,9 +15,7 @@
   "main": "./dist/vue-progressive-image.js",
   "module": "./dist/vue-progressive-image.js",
   "types": "./dist/vue-progressive-image.d.ts",
-  "files": [
-    "dist"
-  ],
+  "files": ["dist"],
   "scripts": {
     "dev": "tsdown --watch",
     "fix": "biome check --write",
@@ -36,12 +34,7 @@
     "type": "git",
     "url": "git+https://github.com/MatteoGabriele/vue-progressive-image.git"
   },
-  "keywords": [
-    "progressive",
-    "image",
-    "img",
-    "lazy loading"
-  ],
+  "keywords": ["progressive", "image", "img", "lazy loading"],
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/MatteoGabriele/vue-progressive-image/issues"
@@ -51,16 +44,18 @@
     "@biomejs/biome": "1.9.4",
     "@semantic-release/changelog": "6.0.3",
     "@semantic-release/git": "10.0.1",
+    "@types/node": "22.15.21",
     "@vitejs/plugin-vue": "5.2.3",
     "@vue/test-utils": "2.4.6",
     "jsdom": "26.1.0",
     "publint": "0.3.12",
     "semantic-release": "24.2.3",
-    "tsdown": "0.11.1",
+    "tsdown": "0.12.2",
     "typescript": "5.8.3",
     "unplugin-vue": "6.2.0",
     "vitest": "3.1.3",
-    "vue": "3.5.13"
+    "vue": "3.5.13",
+    "vue-tsc": "2.2.10"
   },
   "peerDependencies": {
     "vue": "3.5.13"