feat: add Terminal module for CKB-TUI data provision

[zhangsoledad]

What problem does this PR solve?

• Introduce a new Terminal module to supply essential data for CKB-TUI
• Include system data and basic mining data in the current implementation

Related changes

• PR to update owner/repo:
• Need to cherry-pick to the release branch

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

Side effects

• Performance regression
• Breaking backward compatibility

Release note

Note: Add a note under the PR title in the release note.