Migrate from jcenter to Maven Central

[IvanPizhenko]

Reason: JFrog is shutting down jcenter
https://www.infoq.com/news/2021/02/jfrog-jcenter-bintray-closure/
Alternatives:
https://docs.gradle.org/current/userguide/declaring_repositories.html

What to do:

• Remove jcenter()
• Add mavenCentral() if not yet there

[DenBond7]

@IvanPizhenko Thanks for the reminder!

Details: https://developer.android.com/studio/build/jcenter-migration

[DenBond7]

Due to missing some libs on mavenCentral() we can't remove jcenter() right now. So I've moved this issue to soon.

[DenBond7]

can be completed after #243

implementation 'com.burhanrashid52:photoeditor:2.0.0'
implementation 'io.github.everythingme:overscroll-decor-android:1.1.1'