feat(image): custom background image

example.json

@@ -1,5 +1,5 @@
 {
-  "image": "",
+  "image": "wallpaper.jpg",
   "description": "Sem magna a dui labore et cursus nibh ipsum nulla. Sem magna a dui labore et cursus nibh ipsum nulla. Blandit adipiscing nulla diam dolore ultricies ornare sed risus faucibus. Lobortis mi sed dui risus nulla ultrices vulputate at enim.",
   "person": {
     "name": "Anhgelus Morhtuuzh",
@@ -46,5 +46,12 @@
       "color": "#800080FF",
       "text_color": "#fff"
     }
-  ]
+  ],
+  "legal": {
+    "legal_information_link": "https://www.anhgelus.world/legal/",
+    "images_source": [
+      "Profile picture: John Smith for example.org",
+      "Background: John Smith 2 for another.example.org"
+    ]
+  }
 }