change_app_package_name 1.0.0

Change App Package Name with single command. Update AndroidManifest, build.gradle, MainActivity files & move MainActivity file to new directory structure automatically.

[0.1.0] - (March 16, 2020)

• Change Android Package Name with single command

[0.1.1] - (March 16, 2020)

• Update code as per pub.dev guidelines

[0.1.2] - (March 16, 2020)

• Bug Fix in README.md

[0.1.3] - (April 08, 2021)

• Add extra Files checks. Hopefully fixes #7

[1.0.0] - (April 08, 2021)

• Added null safety.