updating app screenshots

<a href='https://play.google.com/store/apps/details?id=com.simplemobiletools.flashlight'><img src='http://simplemobiletools.github.io/assets/public/google-play.png' alt='Get it on Google Play' height=45/></a>

<a href='https://f-droid.org/app/com.simplemobiletools.flashlight'><img src='http://simplemobiletools.github.io/assets/public/f-droid.png' alt='Get it on F-Droid' height=45 ></a>

<img alt="App image" src="screenshots/app.png" width="250">

<img alt="App image" src="screenshots/app_2.png" width="250">

<img alt="App image" src="screenshots/widget.png" width="250">

<div style="display:flex;">

<img alt="App image" src="screenshots/app.png" width="30%">

<img alt="App image" src="screenshots/app_2.png" width="30%">

<img alt="App image" src="screenshots/app_3.png" width="30%">

</div>

License

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    Copyright 2016 SimpleMobileTools

    Copyright 2016-present SimpleMobileTools

    Licensed under the Apache License, Version 2.0 (the "License");

    you may not use this file except in compliance with the License.