refactor: Migrate to Vue 3 with Composition API

- Upgrade Vue 2.7 to Vue 3.5 and Vue Router 3 to 4
- Upgrade @nextcloud/vue to 9.3.0 and @nextcloud/dialogs to 7.1.0
- Migrate Forms.vue to Composition API with setup()
- Migrate all entry points to use createApp()
- Update template syntax (.sync to v-model:)
- Update build configuration for Vue 3

Signed-off-by: nfebe <fenn25.fn@gmail.com>

Author: nfebe

package-lock.json

@@ -26,29 +26,32 @@
     "stylelint:fix": "stylelint css/*.css css/*.scss src/**/*.vue --fix"
   },
   "browserslist": [
-    "extends @nextcloud/browserslist-config"
+    "last 2 versions",
+    "> 1%",
+    "not dead",
+    "firefox esr"
   ],
   "dependencies": {
     "@nextcloud/auth": "^2.5.3",
     "@nextcloud/axios": "^2.5.2",
-    "@nextcloud/dialogs": "^6.4.1",
+    "@nextcloud/dialogs": "^7.1.0",
     "@nextcloud/event-bus": "^3.3.3",
     "@nextcloud/files": "^3.12.0",
     "@nextcloud/initial-state": "^3.0.0",
     "@nextcloud/l10n": "^3.4.1",
     "@nextcloud/logger": "^3.0.2",
     "@nextcloud/moment": "^1.3.5",
     "@nextcloud/router": "^3.1.0",
-    "@nextcloud/vue": "^8.34.0",
+    "@nextcloud/vue": "^9.3.0",
     "debounce": "^3.0.0",
     "markdown-it": "^14.1.0",
     "p-queue": "^9.0.0",
     "qrcode": "^1.5.4",
     "v-click-outside": "^3.2.0",
-    "vue": "^2.7.16",
+    "vue": "^3.5.13",
     "vue-material-design-icons": "^5.3.1",
-    "vue-router": "^3.6.5",
-    "vuedraggable": "^2.24.3"
+    "vue-router": "^4.5.0",
+    "vuedraggable": "^4.1.0"
   },
   "devDependencies": {
     "@mdi/js": "^7.4.47",
@@ -58,7 +61,7 @@
     "@nextcloud/eslint-config": "^9.0.0-rc.5",
     "@nextcloud/prettier-config": "^1.2.0",
     "@nextcloud/stylelint-config": "^3.1.1",
-    "@nextcloud/vite-config": "^1.7.2",
+    "@nextcloud/vite-config": "^2.5.2",
     "@playwright/test": "^1.56.1",
     "@vue/tsconfig": "^0.5.1",
     "eslint-plugin-prettier": "^5.5.4",