Unified API

• Create MongoClient, MongoDatabase and MongoCollection !259 (merged)
• Create MongoIterable !259 (merged)
• Create the operations
  • InsertOperations !259 (merged)
  • CountOperations !259 (merged)
  • DeleteOperations !260 (merged)
  • FindOperations !260 (merged)
  • UpdateOperations !260 (merged)
  • UpdatePipelineOperations !260 (merged)
  • AggregationOperations !260 (merged)
  • CollectionOperations !260 (merged)
• Filtered collections !263 (merged)
• MongoIterable.toString() shows the request !262 (merged)
• Tracing API
• Unified testing
  • Test :driver-coroutines with KotlinX.Serialization !259 (merged)
  • Test :driver-coroutines with reflection !259 (merged)
  • Test :driver-sync with KotlinX.Serialization !277 (merged)
  • Test :driver-sync with reflection !277 (merged)
  • Test :driver-multiplatform with KotlinX.Serialization
• Remove old API
  • Remove in :driver-coroutines !276 (merged)
  • Remove in :driver-sync !277 (merged)
  • Fix documentation links !278 (merged)