Added dovi

Formula/dovi.rb

@@ -0,0 +1,22 @@
+class Dovi < Formula
+  desc "Library to read & write Dolby Vision metadata"
+  homepage "https://github.com/quietvoid/dovi_tool"
+  url "https://github.com/quietvoid/dovi_tool/archive/refs/tags/2.1.0.tar.gz"
+  sha256 "06b7332649959710ec00e25a9b4e4a88ee7766149726d6e2f60c3b5bb6292664"
+  license "MIT"
+  head "https://github.com/quietvoid/dovi_tool.git", branch: "main"
+
+  livecheck do
+    url :stable
+    regex(/^v?(\d+(?:\.\d+)+)$/i)
+  end
+
+  depends_on "rust" => :build
+
+  def install
+    cd "dolby_vision" do
+      system "cargo", "install", "cargo-c"
+      system "cargo", "cinstall", "--prefix=#{prefix}"
+    end
+  end
+end