v1.4.0: Merge pull request #4 from m5stack/dev

• Add whisper unit
• Add whisper-tiny model
• Add vad unit
• Add silero-vad model
• Add Qwen2.5-1.5B model
• Add depth_anything unit
• Add depth-anything model
• Optimize the initialization speed of the kws unit
• Optimize the initialization speed of the tts unit

LLM V1.3.0 Firmware Release Note

• add yolo unit.
• experimental add vlm unit.
• add camera unit.
• llama3.2-1B-prefill-ax630c llm mode.
• openbuddy-llama3.2-1B-ax630c llm mode.
• qwen2.5-coder-0.5B-ax630c llm mode.
• llm unit add tokenizer server.
• melotts unit fix english support.
• experimental add vlm unit internvl2-1B-ax630c mode.

rename StackFlow

v1.2.0

[update] compile tool link