apply schema changes occurring in v2.0

Author: alistairewj

mimic-iv-ed/buildmimic/bigquery/schemas/ed/edstays.json

@@ -23,5 +23,25 @@
         "name": "outtime",
         "type": "DATETIME",
         "mode": "REQUIRED"
+    },
+    {
+        "name": "gender",
+        "type": "STRING",
+        "mode": "REQUIRED"
+    },
+    {
+        "name": "race",
+        "type": "STRING",
+        "mode": "NULLABLE"
+    },
+    {
+        "name": "arrival_transport",
+        "type": "STRING",
+        "mode": "REQUIRED"
+    },
+    {
+        "name": "disposition",
+        "type": "STRING",
+        "mode": "NULLABLE"
     }
 ]

mimic-iv-ed/buildmimic/bigquery/schemas/ed/triage.json

@@ -41,7 +41,7 @@
     },
     {
         "name": "pain",
-        "type": "NUMERIC",
+        "type": "STRING",
         "mode": "NULLABLE"
     },
     {