Azure SQL Hybrid Cloud Toolkit Notebooks Extension Command (#13286)

* added extension folder incomplete

* WIP extension progress

* notebook finally opens in side panel

* notebook now opens via notebook extension

* html file spaces restored

* package json fixed

* fixed vscode import issue

* more cleanup

* remove git stuff

* placeholder icon logos added

* fixed gulpfile

* cleanup changes

* vscode import fixed

* fixed main and yarn.lock

* added provided notebooks view

* formatting for package.json

* removed first command as its not necessary

* fixed notebook typo

* readded spaces

extensions/azurehybridtoolkit/package.json

@@ -0,0 +1,45 @@
+{
+  "name": "azurehybridtoolkit",
+  "displayName": "%displayName%",
+  "description": "%description%",
+  "version": "0.1.0",
+  "publisher": "Microsoft",
+  "engines": {
+    "vscode": "*",
+    "azdata": "*"
+  },
+  "main": "./out/main",
+  "activationEvents": [
+    "*"
+  ],
+  "contributes": {
+    "commands": [
+      {
+        "command": "books.hybridbook",
+        "title": "%title.cloudHybridBooks%",
+        "category": "%books-preview-category%"
+      }
+    ],
+    "menus": {
+      "view/title": [
+        {
+          "command": "books.hybridbook",
+          "when": "view == providedBooksView"
+        }
+      ]
+    },
+    "notebook.books": [
+      {
+        "name": "%title.cloudHybridBooks%",
+        "path": "notebooks/hybridbook"
+      }
+    ]
+  },
+  "dependencies": {
+    "vscode-nls": "^4.0.0"
+  },
+  "__metadata": {
+    "publisherDisplayName": "Microsoft",
+    "publisherId": "Microsoft"
+  }
+}