docs: add changelog for 5.2.0

docs: add changelog for 5.1.0

docs: add changelog for 5.0 (NativeScript#1132)

docs: add changelog for 5.0.0-rc.0

docs: add changelog for 4.4.1

docs: add changelog for 4.4.0

docs: add changelog for 4.2.0

docs: add changelog for 3.1.3

docs: add changelog for 3.1.2

docs: add changelog for 3.1.1