Sample json expertise tag (#1095)

* Update sample.json for 5 expertise without formatting entire files

* All sample.json files updated with expertise field

Author: krzeszew

AI-and-Analytics/End-to-end-Workloads/Census/sample.json

@@ -24,5 +24,6 @@
         ]
       }
     ]
-}
+},
+"expertise": "Reference Designs and End to End"
 }

AI-and-Analytics/End-to-end-Workloads/LidarObjectDetection-PointPillars/sample.json

@@ -17,5 +17,6 @@
                           "make"
                    ]
           }]
-    }
+    },
+    "expertise": "Reference Designs and End to End"
   }

AI-and-Analytics/Features-and-Functionality/IntelPython_XGBoost_Performance/sample.json

@@ -24,5 +24,6 @@
   		 ]
   	}
     ]
-}
+},
+"expertise": "Code Optimization"
 }

AI-and-Analytics/Features-and-Functionality/IntelPython_XGBoost_daal4pyPrediction/sample.json

@@ -19,5 +19,6 @@
   		 ]
   	}
     ]
-}
+},
+"expertise": "Code Optimization"
 }

AI-and-Analytics/Features-and-Functionality/IntelPython_daal4py_DistributedKMeans/sample.json

@@ -18,5 +18,6 @@
   		 ]
   	}
     ]
-}
+},
+"expertise": "Concepts and Functionality"
 }

AI-and-Analytics/Features-and-Functionality/IntelPython_daal4py_DistributedLinearRegression/sample.json

@@ -18,5 +18,6 @@
   		 ]
   	}
     ]
-}
+},
+"expertise": "Concepts and Functionality"
 }

AI-and-Analytics/Features-and-Functionality/IntelTensorFlow_InferenceOptimization/sample.json

@@ -18,5 +18,6 @@
 				"python scripts/ci_test.py"
 			]
 		}]
-	}
+	},
+    "expertise": "Code Optimization"
 }

AI-and-Analytics/Features-and-Functionality/IntelTensorFlow_ModelZoo_Inference_with_FP32_Int8/sample.json

@@ -18,5 +18,6 @@
 				"runipy ResNet50_Inference.ipynb"
 			]
 		}]
-	}
+	},
+    "expertise": "Code Optimization"
 }

AI-and-Analytics/Features-and-Functionality/Intel_Extension_For_SKLearn_Performance_SVC_Adult/sample.json

@@ -17,5 +17,6 @@
          ]
       }
     ]
-}
+},
+"expertise": "Concepts and Functionality"
 }

AI-and-Analytics/Getting-Started-Samples/INC-Sample-for-Tensorflow/sample.json

@@ -26,5 +26,6 @@
 		 ]
 	}
     ]
- }
+ },
+ "expertise": "Getting Started"
 }