docs: add CHANGELOG for 3.4.0 (NativeScript#5195)

chore: pin tns-core-modules-widgets@3.3.0

Update changelog for 3.2.0 (NativeScript#4809)

Update changelog for 3.2.0 (NativeScript#4809)

Package.json updated: v. 3.1.1

Add 2.5.3 change log

Update change log for 3.1.0

Update CHANGELOG.md

Update CHANGELOG.md for 3.0.0 release