chore: update readme

Author: Mythie

README.md

@@ -1,5 +1,12 @@
 # LibPDF
 
+[![npm](https://img.shields.io/npm/v/@libpdf/core)](https://www.npmjs.com/package/@libpdf/core)
+[![npm downloads](https://img.shields.io/npm/dm/@libpdf/core)](https://www.npmjs.com/package/@libpdf/core)
+[![CI](https://github.com/LibPDF-js/core/actions/workflows/ci.yml/badge.svg)](https://github.com/LibPDF-js/core/actions/workflows/ci.yml)
+[![GitHub stars](https://img.shields.io/github/stars/libpdf-js/core?style=flat)](https://github.com/LibPDF-js/core)
+[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)
+[![TypeScript](https://img.shields.io/badge/TypeScript-5.0-blue?logo=typescript&logoColor=white)](https://www.typescriptlang.org/)
+
 A modern PDF library for TypeScript. Parse, modify, and generate PDFs with a clean, intuitive API.
 
 > **Beta Software**: LibPDF is under active development and APIs may change between minor versions, but we use it in production at [Documenso](https://documenso.com) and consider it ready for real-world use.

scripts/loc.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+# Count lines of TypeScript code
+
+# csv format: files,language,blank,comment,code
+src_csv=$(cloc src --include-lang=TypeScript --not-match-f='\.test\.ts$' --csv --quiet | tail -1)
+test_csv=$(cloc src --include-lang=TypeScript --match-f='\.test\.ts$' --csv --quiet | tail -1)
+
+src_code=$(echo "$src_csv" | cut -d, -f5)
+src_comment=$(echo "$src_csv" | cut -d, -f4)
+test_code=$(echo "$test_csv" | cut -d, -f5)
+test_comment=$(echo "$test_csv" | cut -d, -f4)
+
+printf "        %8s %8s\n" "code" "comments"
+printf "src:    %'8d %'8d\n" "$src_code" "$src_comment"
+printf "test:   %'8d %'8d\n" "$test_code" "$test_comment"
+printf "total:  %'8d %'8d\n" "$((src_code + test_code))" "$((src_comment + test_comment))"