Support async notebook publishing (#275)

Handle cases for async notebook publishing. Now `Your published work` tab shows 3 sections - published, under review, and removed notebooks.

Note: The text labels are design placeholders

![image](https://user-images.githubusercontent.com/693092/95799994-3b5fb100-0cab-11eb-86fc-4ded0aeeddb1.png)

src/Juno/JunoClient.test.ts

@@ -1,6 +1,6 @@
 import ko from "knockout";
 import { HttpHeaders, HttpStatusCodes } from "../Common/Constants";
-import { IPinnedRepo, JunoClient, IGalleryItem } from "./JunoClient";
+import { IPinnedRepo, JunoClient } from "./JunoClient";
 import { configContext } from "../ConfigContext";
 import { getAuthorizationHeader } from "../Utils/AuthorizationUtils";
 import { DatabaseAccount } from "../Contracts/DataModels";
@@ -33,24 +33,6 @@ const samplePinnedRepos: IPinnedRepo[] = [
   }
 ];
 
-const sampleGalleryItems: IGalleryItem[] = [
-  {
-    id: "id",
-    name: "name",
-    description: "description",
-    gitSha: "gitSha",
-    tags: ["tag1"],
-    author: "author",
-    thumbnailUrl: "thumbnailUrl",
-    created: "created",
-    isSample: false,
-    downloads: 0,
-    favorites: 0,
-    views: 0,
-    newCellId: undefined
-  }
-];
-
 describe("Pinned repos", () => {
   const junoClient = new JunoClient(ko.observable<DatabaseAccount>(sampleDatabaseAccount));
 

src/Juno/JunoClient.ts

@@ -37,6 +37,8 @@ export interface IGalleryItem {
   favorites: number;
   views: number;
   newCellId: string;
+  policyViolations: string[];
+  pendingScanJobIds: string[];
 }
 
 export interface IPublicGalleryData {