Add details_json field to eho tables

[chowbao]

PR Checklist

PR Structure

• This PR has reasonably narrow scope (if not, break it down into smaller PRs).
• This PR avoids mixing refactoring changes with feature changes (split into two PRs
  otherwise).
• This PR's title starts with the jira ticket associated with the PR.

Thoroughness

• This PR adds tests for the most critical parts of the new functionality or fixes.
• I've updated the docs and README with the added features, breaking changes, new instructions on how to use the repository.

Release planning

• I've decided if this PR requires a new major/minor/patch version accordingly to
  semver, and I've changed the name of the BRANCH to release/* , feature/* or patch/* .

What

Bring in the new details_json field for eho tables

Why

Change to support stellar/stellar-etl#270

Known limitations

• Missing docs
• Need to rename branch

[sydneynotthecity]

nit: update the .yml files to include new field addition? Take or leave the suggestion

[chowbao]

nit: update the .yml files to include new field addition? Take or leave the suggestion

Yeah I was lazy and didn't update any of the .ymls yet. Will do after I've tested it