Fix ios issues

[tralves]

PR Checklist

• [X] The PR title follows our guidelines: https://github.com/Notalib/nativescript-webview-ext/blob/master/CONTRIBUTING.md#commit-messages.
• [X] There is an issue for the bug/feature this PR is for. To avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it.
• [X] All existing tests are passing.
  • [X] On Android
  • [X] On iOS 12+
• [X] Tests for the changes are included

What is the current behavior?

Doesn't work on iOS. See #104. CORS error fetching x-local resources. See #106.

What is the new behavior?

It works on iOS. We can fetch x-local resources.

Fixes/Implements/Closes #[Issue Number]. Fixes #104. Fixes #106.

[tralves]

If anyone needs these fixes while the PR isn't merged, you can use my compiled lib like so

package.json:

"@nota/nativescript-webview-ext": "https://github.com/tralves/nativescript-webview-ext/raw/master/dist/nota-nativescript-webview-ext-7.0.3.tgz",

[m-abs]

Awesome, thank you.

I'll see, if I can publish a new version during the weekend.