[7.x] [ML] Add description and owner to kibana.json for ML owned plugins (#103254)

x-pack/plugins/data_visualizer/kibana.json

@@ -27,5 +27,10 @@
   ],
   "extraPublicDirs": [
     "common"
-  ]
+  ],
+  "owner": {
+    "name": "Machine Learning UI",
+    "githubTeam": "ml-ui"
+  },
+  "description": "The Data Visualizer tools help you understand your data, by analyzing the metrics and fields in a log file or an existing Elasticsearch index."
 }

x-pack/plugins/file_upload/kibana.json

@@ -16,5 +16,10 @@
   ],
   "extraPublicDirs": [
     "common"
-  ]
+  ],
+  "owner": {
+    "name": "Machine Learning UI",
+    "githubTeam": "ml-ui"
+  },
+  "description": "The file upload plugin contains components and services for uploading a file, analyzing its data, and then importing the data into an Elasticsearch index. Supported file types include CSV, TSV, newline-delimited JSON and GeoJSON."
 }

x-pack/plugins/ml/kibana.json

@@ -43,5 +43,10 @@
   ],
   "extraPublicDirs": [
     "common"
-  ]
+  ],
+  "owner": {
+    "name": "Machine Learning UI",
+    "githubTeam": "ml-ui"
+  },
+  "description": "This plugin provides access to the machine learning features provided by Elastic."
 }

x-pack/plugins/transform/kibana.json

@@ -23,5 +23,10 @@
     "kibanaUtils",
     "kibanaReact",
     "ml"
-  ]
+  ],
+  "owner": {
+    "name": "Machine Learning UI",
+    "githubTeam": "ml-ui"
+  },
+  "description": "This plugin provides access to the transforms features provided by Elastic. Transforms enable you to convert existing Elasticsearch indices into summarized indices, which provide opportunities for new insights and analytics."
 }