增加keras-cv模型及训练代码

Keras/keras-cv/.devcontainer/Dockerfile

+ARG VERSION
+
+FROM tensorflow/tensorflow:${VERSION}
+
+RUN apt-get update && apt-get install -y \
+  locales \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN pip install \
+  black \
+  flake8 \
+  isort \
+  pytest \
+  regex \
+  tensorflow_datasets

Keras/keras-cv/.devcontainer/devcontainer.json

+{
+	"name": "Keras-cv",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": { 
+			"VERSION": "2.10.0"
+			// Uncomment this if GPU support is required
+			// "VERSION": "2.10.0-gpu",
+		}
+	},
+
+	"settings": {
+		"python.pythonPath": "/usr/bin/python3",
+		"python.linting.enabled": true,
+		"python.linting.flake8Enabled": true,
+		"python.testing.pytestEnabled":true,
+		"python.editor.defaultFormatter": "ms-python.black-formatter",
+		"python.editor.formatOnSave": true,
+		"python.editor.codeActionsOnSave": {
+			"source.organizeImports": true
+		}
+	},
+
+	"extensions": [
+		"ms-python.python",
+		"ms-python.isort",
+		"ms-python.black-formatter"
+	],
+
+	"features": {
+		"git": {
+			"version": "os-provided"
+		}
+	},
+
+	// TODO: Improve to allow dynamic runArgs, see microsoft/vscode-remote-release#3972
+	// Uncomment this if GPU support is required
+	// "runArgs": [
+    	//     "--gpus=all"
+	// ],
+
+	"onCreateCommand": "locale-gen \"en_US.UTF-8\""
+	// Optional: install pre-commit hooks
+	// "postCreateCommand": "git config core.hooksPath .github/.githooks"
+
+}