chore: update README to include package descriptions for PDF modules

README.md

@@ -1,3 +1,14 @@
-# pdf
+# `pdf`
 
 [![Coverage Status](https://coveralls.io/repos/github/PeculiarVentures/pdf/badge.svg?branch=prepare-publish&t=Lcw9pb)](https://coveralls.io/github/PeculiarVentures/pdf?branch=prepare-publish)
+
+## Packages
+
+- [cli](packages/cli) - Command-line interface for PDF document manipulation and analysis
+- [copy](packages/copy) - Module for recreating PDF documents using specified filters
+- [core](packages/core) - Core functionality for PDF document manipulation and processing
+- [doc](packages/doc) - PDF document creation and editing capabilities
+- [font](packages/font) - Font handling and management for PDF documents
+- [form-json](packages/form-json) - JSON form data handling for PDF documents
+- [repair](packages/repair) - Tools for repairing and fixing corrupted PDF documents
+- [tests](packages/tests) - Test utilities and shared test resources