Add OakOTP by @alexcatch (#976)

contents.json

@@ -5897,6 +5897,30 @@
       "suggested_by": "@Kyle Bashour",
       "updated": "2015-09-12 18:28:45 UTC"
     },
+    {
+      "title": "OakOTP",
+      "category-ids": [
+        "password"
+      ],
+      "description": "Two-Factor Authentication app built with SwiftUI",
+      "source": "https://github.com/AlexCatch/Oak",
+      "itunes": "https://apps.apple.com/app/oakotp/id1567761178",
+      "license": "mit",
+      "date_added": "Fri 10th Sep 2021",
+      "suggested_by": "@alexcatch",
+      "screenshots": [
+        "https://raw.githubusercontent.com/AlexCatch/Oak/master/DesignAssets/accounts.png",
+        "https://github.com/AlexCatch/Oak/raw/master/DesignAssets/setup.png",
+        "https://github.com/AlexCatch/Oak/raw/master/DesignAssets/new.png"
+      ],
+      "tags": [
+        "swift",
+        "2fa",
+        "cloudkit",
+        "coredata"
+      ],
+      "stars": 4
+    },
     {
       "title": "Aozora",
       "category-ids": [