Updated file structures and locations to make processing easier. Incorporated changes suggested by @javagl for model-index.json and remove allModels.json. Information in allModels was moved into model-index.
Once this PR is incorporated and GitHub actions for checking the model directory and metadata and automatic building of Models[-*].md are created, the old Sample-Models repo can be archived.
Updated file structures and locations to make processing easier. Incorporated changes suggested by @javagl for model-index.json and remove allModels.json. Information in allModels was moved into model-index.
Once this PR is incorporated and GitHub actions for checking the model directory and metadata and automatic building of Models[-*].md are created, the old Sample-Models repo can be archived.