Sort Battle Config List by last usage/usage count

[ArthurKun21]

• tracks the last time a battle config was used.
• tracks the number of battle config was used
• add ability to sort

To Fix

• [x] Copying Battle config should reset the usage count

[ArthurKun21]

kotlinx.datetime got some bug with proguard btw.

that's why we need to explicitly also add kotlinx.serialization, since datetime uses serialization and that's the one with the bug. The latest serialization got the fixed or so.

https://github.com/Kotlin/kotlinx-datetime/issues/

297

[ArthurKun21]

~~oh wait, saw a problem~~

solved