feat: add basedpyright formula

Formula/basedpyright.rb

@@ -0,0 +1,16 @@
+require "language/node"
+
+class Basedpyright < Formula
+  desc "Pyright fork with various type checking improvements, improved vscode support and pylance features built into the language server"
+  homepage "https://github.com/DetachHead/basedpyright"
+  url "https://github.com/DetachHead/basedpyright/archive/refs/tags/v1.14.0.tar.gz"
+  sha256 "6a8b2258ae012db021b3851838a7121c09369fe0526e9156dd96f36887cd6f8e"
+  license "MIT"
+
+  depends_on "node"
+
+  def install
+    system "npm", "install", *Language::Node.std_npm_install_args(libexec)
+    bin.install_symlink Dir["#{libexec}/bin/*"]
+  end
+end