feat(doc): enhance README.md documentation

[imjuni]

• enhance documentation on saving configurations
  • options for saving in package.json, tsconfig.json, or .ctirc files
• improve documentation on eslint-style inline comments

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (0ca8273) to head (aded7e8).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #147 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 83 83 Lines 2691 2691 Branches 393 393 ========================================= Hits 2691 2691 ```

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