Add Homebrew formula

Formula/resticview.rb

@@ -0,0 +1,18 @@
+class Resticview < Formula
+  desc "TUI browser for restic backup repositories"
+  homepage "https://github.com/janvete/resticview"
+  url "https://github.com/janvete/resticview/archive/refs/tags/v0.1.0.tar.gz"
+  sha256 "89aa460304da090dc7eb3b6bada06c91ad7bc72387b12c1fbbd11cf877726201"
+  license "MIT"
+  head "https://github.com/janvete/resticview.git", branch: "main"
+
+  depends_on "rust" => :build
+
+  def install
+    system "cargo", "install", *std_cargo_args
+  end
+
+  test do
+    assert_match "TUI browser for restic backup repositories", shell_output("#{bin}/resticview --help")
+  end
+end