Fix readme @goruha (#60)
## what * Fix readmeSummary by CodeRabbit
- Documentation
- Expanded Usage guidance with a detailed YAML example for configuring the ECR component, including variables, lifecycle policy, image scanning, tag mutability, exclusions, images list, and read/write role mappings.
- Improved readability with formatting tweaks, additional spacing, and clearer inline examples.
- Streamlined structure by consolidating Usage headings and aligning details sections for consistency.
- Reintroduced and clarified the Usage section where applicable to ensure examples are easy to find and follow.
Contributors
goruha