chore: Move everything into package/ (#1745)

* Move everything into package

* Remove .DS_Store

* Move scripts and eslintrc to package

* Create CODE_OF_CONDUCT.md

* fix some links

* Update all links (I think)

* Update generated docs

* Update notice-yarn-changes.yml

* Update validate-android.yml

* Update validate-cpp.yml

* Delete notice-yarn-changes.yml

* Update validate-cpp.yml

* Update validate-cpp.yml

* Update validate-js.yml

* Update validate-cpp.yml

* Update validate-cpp.yml

* wrong c++ style

* Revert "wrong c++ style"

This reverts commit 55a3575589c6f13f8b05134d83384f55e0601ab2.

package/ios/Extensions/AVCaptureDevice+isMultiCam.swift

@@ -0,0 +1,22 @@
+//
+//  AVCaptureDevice+isMultiCam.swift
+//  mrousavy
+//
+//  Created by Marc Rousavy on 07.01.21.
+//  Copyright © 2021 mrousavy. All rights reserved.
+//
+
+import AVFoundation
+
+extension AVCaptureDevice {
+  /**
+   Returns true if the device is a virtual multi-cam, false otherwise.
+   */
+  var isMultiCam: Bool {
+    if #available(iOS 13.0, *) {
+      return self.isVirtualDevice
+    } else {
+      return false
+    }
+  }
+}