Add links to NPU plugin in OpenVINO docs (#23919)

### Details:
 - *Add NPU in the supported hardware matrix*
 - *Add NPU in the list of supported plugins*
 - *Add NPU plugin in CONTRIBUTING.md*

### Tickets:
 - *EISW-119403*

CONTRIBUTING.md

@@ -127,6 +127,7 @@ Choose the component your Good First Issue is related to. You can run tests to m
 - [Auto plugin](https://github.com/openvinotoolkit/openvino/blob/master/src/plugins/auto)
 - [CPU plugin](https://github.com/openvinotoolkit/openvino/blob/master/src/plugins/intel_cpu)
 - [GPU plugin](https://github.com/openvinotoolkit/openvino/blob/master/src/plugins/intel_gpu)
+- [NPU plugin](https://github.com/openvinotoolkit/openvino/blob/master/src/plugins/intel_npu)
 - [Hetero plugin](https://github.com/openvinotoolkit/openvino/blob/master/src/plugins/hetero)
 - [Template plugin](https://github.com/openvinotoolkit/openvino/tree/master/src/plugins/template)
 

README.md

@@ -33,7 +33,7 @@ OpenVINO™ is an open-source toolkit for optimizing and deploying AI inference.
  - Reduce resource demands and efficiently deploy on a range of Intel® platforms from edge to cloud
 
 
-This open-source version includes several components: namely [OpenVINO Model Converter (OVC)], [OpenVINO™ Runtime], as well as CPU, GPU, multi device and heterogeneous plugins to accelerate deep learning inference on Intel® CPUs and Intel® Processor Graphics.
+This open-source version includes several components: namely [OpenVINO Model Converter (OVC)], [OpenVINO™ Runtime], as well as CPU, GPU, NPU, multi device and heterogeneous plugins to accelerate deep learning inference on Intel® CPUs and Intel® Processor Graphics.
 It supports pre-trained models from [Open Model Zoo], along with 100+ open
 source and public models in popular formats such as TensorFlow, ONNX, PaddlePaddle, MXNet, Caffe, Kaldi.
 
@@ -82,6 +82,12 @@ The OpenVINO™ Runtime can infer models on different hardware devices. This sec
             <td><b><i><a href="./src/plugins/intel_gpu">openvino_intel_gpu_plugin</a></i></b></td>
             <td>Intel Processor Graphics, including Intel HD Graphics and Intel Iris Graphics</td>
         </tr>
+        <tr>
+            <td>NPU</td>
+            <td><a href="https://docs.openvino.ai/2024/openvino-workflow/running-inference/inference-devices-and-modes/npu-device.html">Intel NPU</a></td>
+            <td><b><i><a href="./src/plugins/intel_npu">openvino_intel_npu_plugin</a></i></b></td>
+            <td>Intel® Core™ Ultra Processors</td>
+        </tr>
     </tbody>
 </table>
 

src/plugins/README.md

@@ -10,6 +10,7 @@ The list of supported plugins:
  * [intel_cpu](./intel_cpu/README.md)
  * [intel_gna](./intel_gna)
  * [intel_gpu](./intel_gpu/README.md)
+ * [intel_npu](./intel_npu/README.md)
  * [template](./template/README.md)
 
 ## See also