add Hover feature

package.json

@@ -2,7 +2,7 @@
   "name": "vscode-cdl-support",
   "displayName": "vscode-cdl-support",
   "description": "",
-  "version": "0.0.5",
+  "version": "0.1.0",
   "publisher": "Christoph",
   "repository": {
     "type": "git",
@@ -50,6 +50,7 @@
   "devDependencies": {
     "@types/vscode": "^1.96.0",
     "@vscode/vsce": "^3.2.1",
+    "prettier": "^3.4.2",
     "typescript": "^5.7.2",
     "vite": "^6.0.7"
   }