Add configuration files and scripts for project standards enforcement

- Introduced .editorconfig for consistent coding styles.
- Added .gitattributes to manage line endings and text attributes.
- Created README.md for Git hooks usage and configuration.
- Implemented pre-commit hook to enforce executable permissions and LF line endings for shell scripts.
- Updated .gitignore to include additional build artifacts and directories.
- Enhanced AGENTS.md and Definition of Done documentation with testing standards.
- Modified reconciliation scripts to include new configuration files and templates.

docs/DEFINITION_OF_DONE.md

@@ -10,6 +10,7 @@ This Definition of Done defines the minimum quality bar for every completed chan
 - Every code change is covered by tests where applicable.
 - New functionality includes new tests.
 - Bug fixes include at least one regression test.
+- For Go projects, tests use `github.com/smartystreets/goconvey`.
 - Automated test coverage is at least 80%.
 
 1. Functional documentation
@@ -39,6 +40,7 @@ This Definition of Done defines the minimum quality bar for every completed chan
 
 - [ ] Change is implemented and meets acceptance criteria.
 - [ ] Tests were added/updated and pass.
+- [ ] Go tests use `github.com/smartystreets/goconvey`.
 - [ ] Automated test coverage is at least 80%.
 - [ ] Functionality is documented.
 - [ ] Documentation is in English.