Release v2.4.0

🚀 Features

• iOS deployment (PR: #267)
• Improve building process (PR: #282)
• Add structured output / function calling sample (PR: #281)
• Update LlamaLib to v1.2.0 (llama.cpp b4218) (PR: #283)

🐛 Fixes

• Clear temp build directory before building (PR: #278)

📦 General

• Remove support for extras (flash attention, iQ quants) (PR: #284)
• remove support for LLM base prompt (PR: #285)