Add Magic The Gathering Arena (PhoenicisOrg#937)

* Update application.json

* Update script.json

* Update script.js

* Update script.js

* Update script.js

* Update script.js

Applications/Games/MagicTheGatheringArena/Online/script.js

@@ -0,0 +1,26 @@
+include("engines.wine.quick_script.custom_installer_script");
+include("engines.wine.verbs.dxvk");
+include("engines.wine.plugins.UseTakeFocus")
+
+
+var installerImplementation = {
+    run: function () {
+        new OnlineInstallerScript()
+            .name("Magic: The Gathering Arena")
+            .applicationHomepage("https://magic.wizards.com/")
+            .url("https://mtgarena.downloads.wizards.com/Live/Windows32/MTGAInstaller.exe")
+            .author("KREYREN")
+            .category("Games")
+            .wineDistribution("staging")
+            .wineVersion(LATEST_STAGING_VERSION)
+            .preInstall(function (wine/*, wizard*/) {
+                wine.DXVK();
+                wine.UseTakeFocus("N");
+            })
+            .executable("MTGAInstaller.exe")
+            .go();
+    }
+};
+
+/* exported Installer */
+var Installer = Java.extend(org.phoenicis.scripts.Installer, installerImplementation);

Applications/Games/MagicTheGatheringArena/Online/script.json

@@ -0,0 +1,12 @@
+{
+    "scriptName"                 : "Online",
+    "id"                         : "applications.games.magic_the_gathering_arena.online",
+    "compatibleOperatingSystems" : [
+        "LINUX"
+    ],
+    "testingOperatingSystems" : [
+        "LINUX"
+    ],
+    "free"          : true,
+    "requiresPatch" : false
+}

Applications/Games/MagicTheGatheringArena/application.json

@@ -0,0 +1,5 @@
+{
+    "name"        : "Magic: The Gathering Arena",
+    "id"          : "applications.games.magic_the_gathering_arena",
+    "description" : "Magic: The Gathering Arena is a free-to-play digital collectible card game developed by Wizards of the Coast's internal development studio, Wizards Digital Games Studio.(Wikipedia)"
+}