* Improved the migration code of recent searches, now all the migration will be performed on the background thread so that it can not impact the UI thread.
* Removed unnecessary logs.
* Introduced the `ObjectBoxToRoomMigrator` class for migrating the recent search data from objectBox to room.
* Fixed the deprecation code error was showing due to `RecentSearchEntity`.
* Fixed the fullScreen mode not properly working on Android 11 and above(It was showing the blue line on the top), and also not showing the navigation options so that the user can close the `fullScreenMode` while pressing the back button in the navigation. Now it started showing the `fullScreenMode` like in earlier version of kiwix.
* Also improved the `fullScreenMode` for lower versions of Android. We have created an extension function so that we can easily reuse the code when we open/close the `fullScreenMode` for a video.
* Fixed the BottomToolbar's options was showing when the application is in the background in `fullScreenMode` and the user opens again the application.
* When the application is running in the `fullScreenmode` and we close the `fullScreenMode` of a video so at that time BottomToolbar's option was showing. So we have fixed that.
* This testing library only work with `ViewAction` like if we perform any click on any screen then it starts checking the accessibility issues, so we have modify our test cases according to this.
* Suppress a few known accessibility issue e.g. on `LocalFileTransfer` screen we have a `skip` text which we are not using but it is giving the error for that.
* Fixed the `TouchTargetIssue` in ZimHostFragment.
* Added the `contentDescription` to search recyclerView.
* Also, improved our `DownloadTest`, because after changing the language of the application online content will change according to the new language so now we are using a generic approach for downloading the zim file.
* Now we are using the same `ZimFileReader` object to search the articles. It reduces the search timing and avoids unnecessary allocation of objects in memory.
* Refactored the `SearchViewModelTest` for this change.
* After this change there is some unused code so we have removed that from our application.
* Added a check for checking the `MANAGE_EXTERNAL_STORAGE` permission when starting the server in the non-playStore variant. If there is no permission, then it ask for the permission to avoid the crash due to permission lack for file.
* It was due to we were using the hardcoded string for checking the pause state of downloading so pausing and resuming are working fine in the English version and do not work in other languages.
* Added test cases for checking this scenario so that we can avoid this type of errors in the future.
* Uploading nightly APK with a released signature so that APK can update, if a user downloads the new version of nightly like our released APK.
* Modified the nightly CI for this change.
* Updated the `README.md` file for this new change.
* Removed the API level 24 from CI and added the API level 25 since now our minimum SDK version is 25.
* Renamed CompatV24 file since we have upgraded the minimum SDK version so this fileName was irrelevant.
* Corrected the deep linking for `content` type scheme.
* Improved the handling of zim files if user opens from the storage and our application is not in background.
* Improved the opening of Zim files when we open directly from storage.
* Also, added necessary comments on the changes to properly understand why we have done these changes.
