Add TinyGPT2.mlpackage properly with Git LFS

TinyGPT2.mlpackage/Data/com.apple.CoreML/model.mlmodel

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+version https://git-lfs.github.com/spec/v1
+oid sha256:ead245b98120fc23ee95ea37c0b84a70fee927c8e907aaaa8a0ebfb0d4738feb
+size 24667

TinyGPT2.mlpackage/Data/com.apple.CoreML/weights/weight.bin

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+version https://git-lfs.github.com/spec/v1
+oid sha256:600d58440df9bc1406c9ce36928c1c18ed13b8a7bc51fb2e1157fa0b8ff39b66
+size 302818

TinyGPT2.mlpackage/Manifest.json

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+{
+    "fileFormatVersion": "1.0.0",
+    "itemInfoEntries": {
+        "13789802-4175-45D6-A583-BF21E9D2B2EF": {
+            "author": "com.apple.CoreML",
+            "description": "CoreML Model Weights",
+            "name": "weights",
+            "path": "com.apple.CoreML/weights"
+        },
+        "C43BA582-FB55-4067-9EB0-3A085CC53B9C": {
+            "author": "com.apple.CoreML",
+            "description": "CoreML Model Specification",
+            "name": "model.mlmodel",
+            "path": "com.apple.CoreML/model.mlmodel"
+        }
+    },
+    "rootModelIdentifier": "C43BA582-FB55-4067-9EB0-3A085CC53B9C"
+}