upgraded kotlin, gradle, added drift

ios/Podfile.lock

@@ -1,33 +0,0 @@
-PODS:
-  - Flutter (1.0.0)
-  - flutter_inappwebview (0.0.1):
-    - Flutter
-    - flutter_inappwebview/Core (= 0.0.1)
-    - OrderedSet (~> 5.0)
-  - flutter_inappwebview/Core (0.0.1):
-    - Flutter
-    - OrderedSet (~> 5.0)
-  - OrderedSet (5.0.0)
-
-DEPENDENCIES:
-  - Flutter (from `Flutter`)
-  - flutter_inappwebview (from `.symlinks/plugins/flutter_inappwebview/ios`)
-
-SPEC REPOS:
-  trunk:
-    - OrderedSet
-
-EXTERNAL SOURCES:
-  Flutter:
-    :path: Flutter
-  flutter_inappwebview:
-    :path: ".symlinks/plugins/flutter_inappwebview/ios"
-
-SPEC CHECKSUMS:
-  Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
-  flutter_inappwebview: bfd58618f49dc62f2676de690fc6dcda1d6c3721
-  OrderedSet: aaeb196f7fef5a9edf55d89760da9176ad40b93c
-
-PODFILE CHECKSUM: ef19549a9bc3046e7bb7d2fab4d021637c0c58a3
-
-COCOAPODS: 1.12.0

ios/RunnerTests/RunnerTests.swift

@@ -0,0 +1,12 @@
+import Flutter
+import UIKit
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}