create TFLite library

Author: sanketwadekar

Diff for: libraries/TFLiteMicro/library.properties

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+name=TFLite Micro
+version=1.0.0
+author=Sanket Wadekar
+maintainer=Sanket Wadekar
+sentence=TensorFlow Lite for Microcontrollers
+paragraph=With this library you can train and deploy Machine Learning models on esp32 series of microcontrollers.
+url=https://www.tensorflow.org/lite/microcontrollers
+architectures=esp32,esp32s3

Diff for: libraries/TFLiteMicro/src/TFLIteMicro.h

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+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+// This header file is kept to avoid Invalid libary error prints while compiling TFLite Micro examples.

Diff for: libraries/TFLiteMicro/src/utility.h

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+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+#include <utility>
+/*
+The example sketches include "tensorflow/lite/micro/micro_interpreter.h" which internally include "utility.h" header file when compiling examples for Arduino (when -DARDUINO flag is passed to the compiler). This header file does not exist in esp32-arduino core. Hence, keeping this file here as a workaround and including an alternate header file.
+*/