Updated getting started documentation  (#2702)
Updated getting started documentation  (#2702)

* Updated getting started documentation with information when using Kotlin for Gradle.

* Update docs/common/index_gradle_database.md

Co-authored-by: humphrey.lopez <6acde1ba85f6be2db03c8c4e54f4cfd33ba64645@carnext.com>
Co-authored-by: Alec Strong <e1c8cb32f6cbb35bbdff072cab6607bd7bf4a980@users.noreply.github.com>
cashapp/sqldelight,cashapp/sqldelight,cashapp/sqldelight,cashapp/sqldelight