feat: set placeholder context as block option

[buuhuu]

• Use a multi select to configure loan-type and currency-format as block option.
• Put column titles in a single cell
• Use table block

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Commits

* [f6dc1c9](https://github.com/aemsites/piramal/commit/f6dc1c924e6c8ccaec515523eb635a78f08686a4) :white_check_mark: (latest) * [2031739](https://github.com/aemsites/piramal/commit/2031739424db390354ac1a87d5d500bbc1f50d95) :white_check_mark: