Release 2.0.0

Update docs about summary page (#24)

Set Diktat version to 1.2.5 (#19)

Set Diktat version to 1.2.5 (#19)

Don't create the same release twice (#17)

Update ignore patterns

Upgrade Diktat to 1.2.4 (KtLint 0.47.1)

Check Bash version at startup

Now, `diktat` terminates if Bash version is less than 4.

Rename the action so that the name is unique

Enable releasing via GitHub Actions