Re-use 'Serializers for common java types' PR

[aSemy]

Kotlin/kotlinx.serialization#350 made an initial implementation at serializers for common types

https://github.com/Kotlin/kotlinx.serialization/blob/15c6b59d2175485f8f5f4563ff17610003459113/runtime/jvm/src/main/kotlin/kotlinx/serialization/java/JavaTypesModule.kt

• AtomicInteger
• AtomicLong
• AtomicBoolean
• URI
• URL
• UUID
• StringBuilder
• BigInteger - not possible until Kotlin 1.8 release allow encoding literal JSON values Kotlin/kotlinx.serialization#2041 (comment)
• BigDecimal - not possible until Kotlin 1.8 release allow encoding literal JSON values Kotlin/kotlinx.serialization#2041 (comment)
• BigInteger - analogous to LongAsStringSerializer
• BigDecimal - analogous to LongAsStringSerializer
• Date

[aSemy]

A lot of these have also been implemented in openapi-generator, which is also an Apache 2 license

https://github.com/tzeH/openapi-generator/tree/b23cf2d97d78051d18b01ad21699ca6891aa46ad/samples/client/petstore/kotlin-uppercase-enum/src/main/kotlin/org/openapitools/client/infrastructure