JAVA-5604

* Helper methods and extensions to improve kotlin interop. (#1478)

Adds a new package `org.mongodb.mongodb-driver-kotlin-extensions`. Its both, kotlin driver and bson kotlin implementation agnostic. Can be used with any combination of `bson-kotlin`, `bson-kotlinx`, `mongodb-driver-kotlin-sync` and `mongodb-driver-kotlin-coroutine`.

Initial Filters extensions support, with both inflix and nested helpers eg:

```
import com.mongodb.kotlin.client.model.Filters.eq

// infix
Person::name.eq(person.name)

// nested
val bson = eq(Person::name, person.name)
```

Also adds path based support which works with vairous annotations on the data class: `@SerialName("_id")`, `@BsonId`, `@BsonProperty("_id")`:

```
(Restaurant::reviews / Review::score).path() == "reviews.rating"
```

JAVA-5308 JAVA-5484

* Gradle: Support custom header annotation

* Added since annotation to Filters.kt

JAVA-5308

* Adding Kotlin extensions methods for projection. (#1515)

* Adding Kotlin extensions methods for projection. Fixes JAVA-5603

---------

Co-authored-by: Ross Lawley <[email protected]>

* Adding Kotlin extensions methods for updates   (#1529)

* Adding Kotlin extension function for Updates operations
JAVA-5601

* Grouping static checks under the same task (#1526)

* Grouping all static checks under the "check" task

JAVA-5633

* Add extension methods for Indexes (#1532)

JAVA-5604

* Adding extension methods for Sorts (#1533)

JAVA-5602

* Adding extensions for Aggregators and Accumulators (#1562)

* Adding extensions for Aggregators and Accumulators

---------

Co-authored-by: Ross Lawley <[email protected]>
Co-authored-by: Ross Lawley <[email protected]>