Added Notes Better v2.2.1

I've created a new cask for nuttyartist/notes

Casks/n/notes-better.rb

@@ -0,0 +1,26 @@
+cask "notes-better" do
+  version "2.2.1"
+  sha256 "8148f8239abc5352e8abc9adac181f109994c616ff652d505e93b341c94138aa"
+
+  url "https://github.com/nuttyartist/notes/releases/download/v#{version}/Notes.#{version}.dmg",
+      verified: "github.com/nuttyartist/notes/"
+  name "Notes"
+  desc "Simple note-taking app for markdown and kanban"
+  homepage "https://get-notes.com/"
+
+  livecheck do
+    url :url
+    strategy :github_latest
+  end
+
+  depends_on macos: ">= :catalina"
+
+  app "Notes Better.app"
+
+  zap trash: [
+    "~/Library/Saved Application State/io.github.nuttyartist.notes.savedState",
+    "~/Library/Preferences/io.github.nuttyartist.notes.plist",
+    "~/Library/Caches/Notes",
+    "~/.config/Awesomeness",
+  ]
+end