docs: adding detailed documentation for how to config implementation …

[ducpm511]

What type of PR is this? (check all applicable)

• [ ] 🍕 Feature
• [ ] 🐛 Bug Fix
• [ ] 📝 Documentation Update
• [ ] 🎨 Style
• [ ] 🧑‍💻 Code Refactor
• [ ] 🔥 Performance Improvements
• [ ] ✅ Test
• [ ] 🤖 Build
• [ ] 🔁 CI
• [ ] 📦 Chore (Release)
• [ ] ⏩ Revert

Description

Update the readme file to include more information about the configuration file, So that users can easily set up and run the test suite with their desired configuration.

Related Tickets & Documents

https://github.com/gs-gs/fa-ag-trace/issues/401

Mobile & Desktop Screenshots/Recordings

Added tests?

• [ ] 👍 yes
• [x] 🙅 no, because they aren't needed
• [ ] 🙋 no, because I need help

Added to documentation?

• [x] 📜 README.md
• [ ] 📕 storybook
• [ ] 🙅 no documentation needed

[optional] Are there any post-deployment tasks we need to perform?