foundation simulator handles json serving

[jbolda]

Motivation

To best support incremental adoption, we can serve a folder of json files to allow for a quick starting point.

Approach

Crawl a folder and app.get for each JSON file found.

[frontsidejack]

Package Changes Through 23eba848b34397a131c200c8307c9df11cfd1d77

There are 1 changes which include @simulacrum/foundation-simulator with minor

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request. | package | current | next | |----|----|----| | @simulacrum/foundation-simulator | 0.1.0 | 0.2.0 |

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