TensorFlow Lite FrontEnd: documentation changes (#17187)

* First glance doc changes

* Apply suggestions from code review

Co-authored-by: Tatiana Savina <tatiana.savina@intel.com>

* Update docs/MO_DG/prepare_model/convert_model/Convert_Model_From_TensorFlow_Lite.md

Co-authored-by: Tatiana Savina <tatiana.savina@intel.com>

---------

Co-authored-by: Tatiana Savina <tatiana.savina@intel.com>

docs/dev/cmake_options_for_custom_comiplation.md

@@ -194,6 +194,6 @@ In this case OpenVINO CMake scripts take `TBBROOT` environment variable into acc
 [PDPD]:https://github.com/PaddlePaddle/Paddle
 [TensorFlow]:https://www.tensorflow.org/
 [TensorFlow Lite]:https://www.tensorflow.org/lite
-[PyTorch]:https://www.tensorflow.org/lite
+[PyTorch]:https://pytorch.org/
 [FlatBuffers]:https://google.github.io/flatbuffers/
 [oneTBB]:https://github.com/oneapi-src/oneTBB

docs/dev/test_coverage.md

@@ -44,6 +44,7 @@ OpenVINO components define several common groups which allow to run tests for se
  - ONNX_FE - ONNX frontend tests
  - PADDLE_FE - Paddle frontend tests
  - TF_FE - TensorFlow frontend tests
+ - TFL_FE - TensorFlow Lite frontend tests
  - CPU - CPU plugin tests
  - GPU - GPU plugin tests
  - GNA - GNA plugin tests