Add Widelands (#734)

An open-source game with mac-os support
github: https://github.com/widelands/widelands
website: https://www.widelands.org

applications.json

@@ -9249,6 +9249,26 @@
             "languages": [
                 "java"
             ]
+        },    
+        {
+            "short_description": "Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.",
+            "categories": [
+                "games",
+            ],
+            "repo_url": "https://github.com/widelands/widelands",
+            "title": "Widelands",
+            "icon_url": "https://www.widelands.org/static/img/logo.png",
+            "screenshots": [
+               "https://www.widelands.org/static/img/welcome.jpg",
+            ],
+            "official_site": "https://www.widelands.org",
+            "languages": [
+                "c++"
+                "python"
+                "lua"
+                "javascript"
+            ]
         }
+
     ]
 }