add d3 and spectre dependencies

Author: assynour

frontend/package.json

@@ -4,15 +4,16 @@
     "version": "0.0.0",
     "type": "module",
     "scripts": {
-      "dev": "vite",
-      "build": "vite build",
-      "preview": "vite preview"
+        "dev": "vite",
+        "build": "vite build",
+        "preview": "vite preview"
     },
     "devDependencies": {
-      "vite": "^4.0.0"
+        "vite": "^4.0.0"
     },
     "dependencies": {
-      "bpmn-visualization": "^0.29.1"
+        "bpmn-visualization": "^0.29.1",
+        "d3": "^7.8.1",
+        "spectre.css": "^0.5.9"
     }
-  }
-  
+}