Add ResNetBackbone and ResNetImageClassifier (#1765)

* Add ResNetV1 and ResNetV2

* Address comments

Author: james77777778

keras_nlp/api/models/__init__.py

@@ -181,6 +181,10 @@
 from keras_nlp.src.models.phi3.phi3_preprocessor import Phi3Preprocessor
 from keras_nlp.src.models.phi3.phi3_tokenizer import Phi3Tokenizer
 from keras_nlp.src.models.preprocessor import Preprocessor
+from keras_nlp.src.models.resnet.resnet_backbone import ResNetBackbone
+from keras_nlp.src.models.resnet.resnet_image_classifier import (
+    ResNetImageClassifier,
+)
 from keras_nlp.src.models.roberta.roberta_backbone import RobertaBackbone
 from keras_nlp.src.models.roberta.roberta_classifier import RobertaClassifier
 from keras_nlp.src.models.roberta.roberta_masked_lm import RobertaMaskedLM

keras_nlp/src/models/resnet/__init__.py

@@ -0,0 +1,13 @@
+# Copyright 2024 The KerasNLP Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.