feat: Include verification for main branch

[codeis4fun]

What?

Include verification for main branches, as we are using commit version for our old gitlab and new gitlab repository.

Type of change?

• [feat]: Include verification for main branch
• [test]: Include unit tests for main branch

Why?

We are migrating bot projects from our old repository to the newest gitlab and its default branch is main, not master. This changes is supposed to support both projects with master and main default branches.

How?

Include verification on the commit message looking for specific strings contained in it.

How has this been tested?

• Unit tests

Before submitting a PR please make sure to check if:

• The code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• The changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and/or existing unit tests pass locally with my changes
• New and/or existing integration tests pass locally with my changes

[FabioCaffarello]

Nice work!

[esequielvirtuoso]

@codeis4fun Great job. Thanks!

[esequielvirtuoso]

@codeis4fun

I'm closing this PR once I've added the same code in another PR.

It has been released on the 2.0.3 version.