feat(iOS): rewrite DRM Module (#4136)

* minimal api

* add suport for `getLicense`

* update logic for obtaining `assetId`

* add support for localSourceEncryptionKeyScheme

* fix typo

* fix pendingLicenses key bug

* lint code

* code clean

* code clean

* remove old files

* fix tvOS build

* fix errors loop

* move `localSourceEncryptionKeyScheme` into drm params

* add check for drm type

* use DebugLog

* lint

* update docs

* lint code

* fix bad rebase

* update docs

* fix crashes on simulators

* show error on simulator when using DRM

* fix typos

* code clean

docs/pages/component/drm.mdx

@@ -137,6 +137,20 @@ You can specify the DRM type, either by string or using the exported DRMType enu
 Valid values are, for Android: DRMType.WIDEVINE / DRMType.PLAYREADY / DRMType.CLEARKEY.
 for iOS: DRMType.FAIRPLAY
 
+### `localSourceEncryptionKeyScheme`
+
+<PlatformsList types={['iOS']} />
+
+Set the url scheme for stream encryption key for local assets
+
+Type: String
+
+Example:
+
+```
+localSourceEncryptionKeyScheme="my-offline-key"
+```
+
 ## Common Usage Scenarios
 
 ### Send cookies to license server