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 sha256:8a4c7a8f28d1c25dc43778e1a5d481297804bc06e0f213102e18e63162fc0a83
+size 61420

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 sha256:9c227f1e7e979274061260370e57df25eb8317ab79e1390dc2c877f8d16a83b8
+size 114012608

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

@@ -0,0 +1,18 @@
+{
+    "fileFormatVersion": "1.0.0",
+    "itemInfoEntries": {
+        "1E8A77CC-7644-46C9-B8AD-FDC02D255690": {
+            "author": "com.apple.CoreML",
+            "description": "CoreML Model Specification",
+            "name": "model.mlmodel",
+            "path": "com.apple.CoreML/model.mlmodel"
+        },
+        "84A77E3E-39CD-43C3-A491-2A3F7972C88B": {
+            "author": "com.apple.CoreML",
+            "description": "CoreML Model Weights",
+            "name": "weights",
+            "path": "com.apple.CoreML/weights"
+        }
+    },
+    "rootModelIdentifier": "1E8A77CC-7644-46C9-B8AD-FDC02D255690"
+}