Add XAPK support (incomplete - OBB not copied)

pubspec.lock

@@ -34,6 +34,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.7"
+  archive:
+    dependency: "direct main"
+    description:
+      name: archive
+      sha256: "0c8368c9b3f0abbc193b9d6133649a614204b528982bebc7026372d61677ce3a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.3.7"
   args:
     dependency: transitive
     description:
@@ -82,6 +90,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.17.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
   cross_file:
     dependency: transitive
     description:
@@ -518,6 +534,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      sha256: "7c1e5f0d23c9016c5bbd8b1473d0d3fb3fc851b876046039509e18e0c7485f2c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.7.3"
   process:
     dependency: transitive
     description: