Update PACKAGE.md title and add badges (#3)

Author: Seramis

src/ByteAether.Ulid/PACKAGE.md

@@ -1,4 +1,11 @@
-# ByteAether ULID
+# ULID
+*from ByteAether*
+
+[![License](https://img.shields.io/github/license/ByteAether/Ulid?logo=github&label=License)](https://github.com/ByteAether/Ulid/blob/main/LICENSE)
+[![NuGet Version](https://img.shields.io/nuget/v/ByteAether.Ulid?logo=nuget&label=Version)](https://www.nuget.org/packages/ByteAether.Ulid/)
+[![NuGet Downloads](https://img.shields.io/nuget/dt/ByteAether.Ulid?logo=nuget&label=Downloads)](https://www.nuget.org/packages/ByteAether.Ulid/)
+[![GitHub Build Status](https://img.shields.io/github/actions/workflow/status/ByteAether/Ulid/build-and-test.yml?logo=github&label=Build%20%26%20Test)](https://github.com/ByteAether/Ulid/actions/workflows/build-and-test.yml)
+[![GitHub Security](https://img.shields.io/github/actions/workflow/status/ByteAether/Ulid/codeql.yml?logo=github&label=Security%20Validation)](https://github.com/ByteAether/Ulid/actions/workflows/codeql.yml)
 
 A high-performance .NET implementation of ULIDs (Universally Unique Lexicographically Sortable Identifiers) that fully complies with the [official ULID specification](https://github.com/ulid/spec).