chore(config): add shared module & config service

[khuongln-1346]

Summary

add shared module & config service

Description

N/A

Checklist

• [x] 1. Build successfully on local
• [ ] 2. Format all code files included in the PR
• [x] 3. No more unconfirmed specs in the PR
• [x] 4. Tested the normal case and error cases following specs
• [x] 5. Is there a refactor to the old code? If yes, have you tested the old function and noted the impact yet?
• [x] 6. Loops have a set length and correct termination conditions
• [x] 7. There aren't any redundant or duplicate codes in PR (clean code)
• [x] 8. There aren't any hard-coded in the code in PR
• [x] 9. Optimization logic handling and optimizations SQL (for example, don't get redundant data or add an index to optimize performance, query only necessary fields...)
• [ ] 10. Update issue

Evidence

(Screenshot or Video)

Discussion

Note the part that you are not sure about. Comment on your code is OK.