ci: update golangci-lint configuration and GitHub workflow

- Update golangci-lint-action to version 7 in GitHub workflow
- Specify version 2.0 for golangci-lint-action in GitHub workflow
- Set golangci.yml version to "2"
- Replace enable-all and disable-all options with default: none in golangci.yml
- Remove specific linters like exportloopref, gofmt, goimports, gosimple, stylecheck, and typecheck
- Add exclusions for generated code and specific presets in golangci.yml
- Add paths exclusions for third_party, builtin, and examples directories
- Enable gofmt and goimports formatters in golangci.yml

Signed-off-by: Bo-Yi Wu <[email protected]>

ci: update linting and testing configurations and dependencies

- Update golangci-lint-action from version `v5` to `v6`

Signed-off-by: appleboy <[email protected]>

docs: refactor project documentation structure

- Update image path in README.md to reflect new location within `images/` directory
- Rename and move `example_architecture.png` to the `images/` directory

Signed-off-by: Bo-Yi Wu <[email protected]>

ci: update GitHub Actions workflows configurations

- Update the cron schedule in the CodeQL workflow
- Change the language array format in the CodeQL workflow
- Upgrade the CodeQL action version in the CodeQL workflow
- Update the go-version-file and check-latest options in the Go workflow
- Upgrade the golangci/golangci-lint-action version in the Go workflow
- Adjust the Go versions array in the Go workflow
- Upgrade the actions/cache version in the Go workflow
- Upgrade the codecov/codecov-action version in the Go workflow
- Change the tags format in the Goreleaser workflow
- Adjust the steps and name in the Goreleaser workflow
- Update the go-version and name in the Goreleaser workflow
- Modify the go-version-file and check-latest options in the Goreleaser workflow

Signed-off-by: appleboy <[email protected]>

fix: example

docs: update