Browser: Add Brave and Mojeek to search engines

Author: https://github.com/Xexxa
Commit: b1ed151c9c
Pull-request: https://github.com/SerenityOS/serenity/pull/14504

Base/home/anon/.config/SearchEngines.json

@@ -3,6 +3,10 @@
         "title": "Bing",
         "url_format": "https://www.bing.com/search?q={}"
     },
+    {
+        "title": "Brave",
+        "url_format": "https://search.brave.com/search?q={}"
+    },
     {
         "title": "DuckDuckGo",
         "url_format": "https://duckduckgo.com/?q={}"
@@ -19,6 +23,10 @@
         "title": "Google",
         "url_format": "https://google.com/search?q={}"
     },
+    {
+        "title": "Mojeek",
+        "url_format": "https://www.mojeek.com/search?q={}"
+    },
     {
         "title": "Yandex",
         "url_format": "https://yandex.com/search/?text={}"