BEEEP: Add importer for Keeper in json format (#608)

* Add testdata, create types for keeperjson import

* Create keeperjson importer and tests

* Register, Create instance of keeperjson importer

* Move keeperCsvImporter to keeperImporters folder

* Fixed import of BaseImporter

* Removed unnecessary check for key

* Move instantiation of importer into beforeEach

* Fixed the second import with a wrong path

* Adjust types based on new test export

* Add test case for empty notes and custom fields

* Implement logic for failed test case

* Removed test expectation

spec/common/importers/testData/keeperJson/testData.ts

@@ -0,0 +1,90 @@
+import { KeeperJsonExport } from "jslib-common/importers/keeperImporters/types/keeperJsonTypes";
+
+export const testData: KeeperJsonExport = {
+  shared_folders: [
+    {
+      path: "My Customer 1",
+      manage_users: true,
+      manage_records: true,
+      can_edit: true,
+      can_share: true,
+      permissions: [
+        {
+          uid: "kVM96KGEoGxhskZoSTd_jw",
+          manage_users: true,
+          manage_records: true,
+        },
+        {
+          name: "user@mycompany.com",
+          manage_users: true,
+          manage_records: true,
+        },
+      ],
+    },
+    {
+      path: "Testing\\My Customer 2",
+      manage_users: true,
+      manage_records: true,
+      can_edit: true,
+      can_share: true,
+      permissions: [
+        {
+          uid: "ih1CggiQ-3ENXcn4G0sl-g",
+          manage_users: true,
+          manage_records: true,
+        },
+        {
+          name: "user@mycompany.com",
+          manage_users: true,
+          manage_records: true,
+        },
+      ],
+    },
+  ],
+  records: [
+    {
+      title: "Bank Account 1",
+      login: "customer1234",
+      password: "4813fJDHF4239fdk",
+      login_url: "https://chase.com",
+      notes: "These are some notes.",
+      custom_fields: {
+        "Account Number": "123-456-789",
+      },
+      folders: [
+        {
+          folder: "Optional Private Folder 1",
+        },
+      ],
+    },
+    {
+      title: "Bank Account 2",
+      login: "mybankusername",
+      password: "w4k4k193f$^&@#*%2",
+      login_url: "https://amex.com",
+      notes: "Some great information here.",
+      custom_fields: {
+        "Security Group": "Public",
+        "IP Address": "12.45.67.8",
+        "TFC:Keeper":
+          "otpauth://totp/Amazon:me@company.com?secret=JBSWY3DPEHPK3PXP&issuer=Amazon&algorithm=SHA1&digits=6&period=30",
+      },
+      folders: [
+        {
+          folder: "Optional Private Folder 1",
+        },
+        {
+          shared_folder: "My Customer 1",
+          can_edit: true,
+          can_share: true,
+        },
+      ],
+    },
+    {
+      title: "Some Account",
+      login: "someUserName",
+      password: "w4k4k1wergf$^&@#*%2",
+      login_url: "https://example.com",
+    },
+  ],
+};