Add ResourceLoader & make tests runnable for Mac

[bitPogo]

📑 What does this PR do?

This adds an ResourceLoader aside with a Composite build for Gradle Workarounds (to make build on Mac). Currently the Workarounds are related to:

• removed devices

✅ Checklist

• [x] My pull request adheres to the code style of this project
• [ ] My code requires changes to the documentation
• [ ] I have updated the documentation as required
• [x] All the tests have passed

🧪 How can this PR been tested?

🧾 Tasks Remaining: (List of tasks remaining to be implemented)

• What is remaining to be implemented in this PR? Mention a list of them

🖼️ Screenshots (if applicable):