added vercel

Author: aditya520

vercel-ignore.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Vercel currently does not properly enable corepack when running the
+# ignoreCommand.  This was recommended as a stopgap by Vercel support until they
+# fix that issue.
+COREPACK_ROOT="$PWD/.corepack"
+COREPACK_SHIM="$COREPACK_ROOT/shim"
+export COREPACK_HOME="$COREPACK_ROOT/home"
+export PATH="$COREPACK_SHIM:$PATH"
+mkdir -p "$COREPACK_HOME"
+mkdir -p "$COREPACK_SHIM"
+corepack enable --install-directory "$COREPACK_SHIM"
+
+exec pnpm dlx turbo-ignore --fallback=HEAD^