[FIX] debugging redcap2reproschema during converting HBCD

[yibeichan]

fixed the following

• add data_dmy as xsd:date to VALUE_TYPE_MAP
• add datetime_ymd as xsd:datetime to VALUE_TYPE_MAP
• skip .DS_Store for validation
• fix response option (e.g., "1,") for completing the survey (see item webcdi_en_completion_status

result from old code:

"responseOptions": {
        "choices": [
            {
                "name": {
                    "en": "1,"
                },
                "value": 0
            }
        ],
        "valueType": [
            "xsd:integer"
        ]
    },

result from new code:

"responseOptions": {
        "choices": [
            {
                "name": {
                    "en": ""
                },
                "value": 1
            }
        ],
        "valueType": [
            "xsd:integer"
        ]
    },