Core

• Re-factored utilities to allow multi-threading workloads.
• Enabled trimming support.
• Minor performance improvements.
• [Breaking Change] Changed PullFiles(string) to PullFilesFromFolder(string) to make it easier to understand.
• Dropped .NET Standard 2.1 to support .NET 5+ features.

Packer

• Implemented multi-threaded packing.

Bootstrapper

• Overhauled Package Manager for improved performance and stability.
• Removed unnecessary libraries.
• Fixed some building issues with Linux.