Add CoreML model (#2)

- Add weights from `swift-coreml-transformers` (dcbe3b43a3d7c7f631bb495e117625747817369a)

.gitattributes

@@ -6,3 +6,4 @@
 *.tar.gz filter=lfs diff=lfs merge=lfs -text
 *.ot filter=lfs diff=lfs merge=lfs -text
 *.onnx filter=lfs diff=lfs merge=lfs -text
+*.mlmodel filter=lfs diff=lfs merge=lfs -text

coreml_model.mlmodel

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b4cb8385132328f31bc7a63ef38eb3d8ee6b630d3c4fd72d62e8cec9dfa16245
+size 265486673

coreml_model_fp16.mlmodel

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c97c02b13632dd20672a07c7ac371a491933ee9d50d738f1e3b8b8106cadd3c5
+size 180548849