Create aifun.rb

First submit AiFun to the cask

Casks/a/aifun.rb

@@ -0,0 +1,30 @@
+cask "aifun" do
+  version "0.4.0"
+  sha256 "1c74251ac032800e57aeada210b383b1e5f4dfd34e5493bc6a403478bcdef98f"
+
+  url "https://static.aifun.kapokcloud.com/v#{version}/AiFun_#{version}_macos.dmg",
+      verified: "static.aifun.kapokcloud.com"
+  name "AiFun"
+  desc "Ai chat and ai painting"
+  homepage "https://getaifun.com/"
+
+  livecheck do
+    url "https://static.aifun.kapokcloud.com/updater/updater.json"
+    regex(/AiFun_(\d+(?:\.\d+)+)_macos\.app\.tar\.gz/i)
+  end
+
+  auto_updates true
+  depends_on macos: ">= :sierra"
+
+  app "AiFun.app"
+
+  uninstall quit: "com.getaifun"
+
+  zap trash: [
+    "~/Library/Application Scripts/com.getaifun",
+    "~/Library/Caches/com.getaifun",
+    "~/Library/Containers/com.getaifun",
+    "~/Library/Preferences/com.getaifun.plist",
+    "~/Library/Saved Application State/com.getaifun.savedState",
+  ]
+end