Added Vivaldi Image

Vivaldi browser for n.eko.
It's currently using a dummy "default" profile.
I'm working on contacting a developer to see if we can get some kind of preferences.json support and possibly a link to latest builds for ease of integration/updates.

.docker/vivaldi/preferences.json

@@ -0,0 +1,110 @@
+{
+  "homepage": "http://www.google.com",
+  "homepage_is_newtabpage": false,
+  "first_run_tabs": [
+    "https://www.google.com/_/chrome/newtab?ie=UTF-8"
+  ],
+  "custom_links": {
+    "initialized": true,
+    "list": [
+      {
+        "title": "YouTube",
+        "url": "https://www.youtube.com/"
+      },
+      {
+        "title": "Netflix",
+        "url": "https://netflix.com"
+      },
+      {
+        "title": "Hulu",
+        "url": "https://www.hulu.com/"
+      },
+      {
+        "title": "9Anime",
+        "url": "https://9anime.to/"
+      },
+      {
+        "title": "Crunchy Roll",
+        "url": "https://www.crunchyroll.com/"
+      },
+      {
+        "title": "Funimation",
+        "url": "https://www.funimation.com/"
+      },
+      {
+        "title": "Disney+",
+        "url": "https://www.disneyplus.com/"
+      },
+      {
+        "title": "HBO Now",
+        "url": "https://play.hbonow.com/"
+      },
+      {
+        "title": "Amazon Video",
+        "url": "https://www.amazon.com/Amazon-Video/b?node=2858778011"
+      },
+      {
+        "title": "VRV",
+        "url": "https://vrv.co/"
+      },
+      {
+        "title": "Twitch",
+        "url": "https://www.twitch.tv/"
+      },
+      {
+        "title": "Mixer",
+        "url": "https://mixer.com/"
+      }
+    ]
+  },
+  "browser": {
+    "custom_chrome_frame": false,
+    "show_home_button": true,
+    "window_placement": {
+      "maximized": true
+    }
+  },
+  "bookmark_bar": {
+    "show_on_all_tabs": false
+  },
+  "sync_promo": {
+    "show_on_first_run_allowed": false
+  },
+  "distribution": {
+    "import_bookmarks_from_file": "bookmarks.html",
+    "import_bookmarks": true,
+    "import_history": true,
+    "import_home_page": true,
+    "import_search_engine": true,
+    "ping_delay": 60,
+    "do_not_create_desktop_shortcut": true,
+    "do_not_create_quick_launch_shortcut": true,
+    "do_not_create_taskbar_shortcut": true,
+    "do_not_launch_chrome": true,
+    "do_not_register_for_update_launch": true,
+    "make_chrome_default": true,
+    "make_chrome_default_for_user": true,
+    "system_level": false,
+    "verbose_logging": false
+  },
+  "profile": {
+    "avatar_index": 19,
+    "default_content_setting_values": {
+      "clipboard": 2,
+      "cookies": 4,
+      "geolocation": 2,
+      "media_stream_camera": 2,
+      "media_stream_mic": 2,
+      "midi_sysex": 2,
+      "payment_handler": 2,
+      "usb_guard": 2
+    },
+    "name": "Neko",
+    "using_default_avatar": false,
+    "using_default_name": false,
+    "using_gaia_avatar": false
+  },
+  "signin": {
+    "allowed": false
+  }
+}