#312: Add pagination to the `github/{id}/events` endpoint

[pacyL2K19]

Fixes Issue

Closes #312

Changes proposed

Added pagination feature, added a UtilsModule for shared logic, currently with a simple pagination service file, can be extended with complex shared logic in the future

Check List (Check all the applicable boxes)

• [x] My code follows the code style of this project.
• [x] My change requires changes to the documentation.
• [x] I have updated the documentation accordingly.
• [x] All new and existing tests passed.
• [x] This PR does not contain plagiarized content.
• [x] The title of my pull request is a short description of the requested changes.

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Note to reviewers