Updated dependencies and moved to Kotlin DSL

[mathias21]

Opening this PR to track changes and explain why of these.

I will be waiting a couple of days before merging just in case someone is affected.

Description:

• Updated dependencies and moved to Kotlin DSL
• Refactor to place files properly in the correct package and folder structure

[mathias21]

Merging after updating Medium articles and testing monitoring with the new dependencies.