Add Core ML conversion

Core ML conversion, task=question-answering, precision=float32

coreml/question-answering/float32_model.mlpackage/Data/com.apple.CoreML/model.mlmodel

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19d1b29a79eb698901ff2fca05f4de7e4a1f73401ae4991ab6b72b50d0cba30f
+size 65083

coreml/question-answering/float32_model.mlpackage/Data/com.apple.CoreML/weights/weight.bin

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80e1049c6a33a572d09319f5594753d6a3a6beeccd2bc067ac744719e5e76dd9
+size 259596672

coreml/question-answering/float32_model.mlpackage/Manifest.json

@@ -0,0 +1,18 @@
+{
+    "fileFormatVersion": "1.0.0",
+    "itemInfoEntries": {
+        "26C7F825-7B22-4739-B15F-573429A7AD7F": {
+            "author": "com.apple.CoreML",
+            "description": "CoreML Model Weights",
+            "name": "weights",
+            "path": "com.apple.CoreML/weights"
+        },
+        "5219C988-EF7F-4C7B-9740-3B0B045993B2": {
+            "author": "com.apple.CoreML",
+            "description": "CoreML Model Specification",
+            "name": "model.mlmodel",
+            "path": "com.apple.CoreML/model.mlmodel"
+        }
+    },
+    "rootModelIdentifier": "5219C988-EF7F-4C7B-9740-3B0B045993B2"
+}