feat: Run AWEL flow in CLI

[fangyinc]

Description

1. Run AWEL flow in CLI
2. AWEL flow chat unified interface
3. More dbgpt commands:

• dbgpt run flow
• dbgpt app list

How Has This Been Tested?

1. Install dependencies

pip install -e ".[cli]"

2. Restart DB-GPT

3. Install dbgpts

dbgpt app install awel-flow-simple-streaming-chat

4. Chat with AWEL flow

non-streaming mode

dbgpt run flow -n awel_flow_simple_streaming_chat \
--model "chatgpt_proxyllm" \
--messages 'Write a quick sort in python'

streaming mode

dbgpt run flow -n awel_flow_simple_streaming_chat \
--model "chatgpt_proxyllm" \
--messages 'Write a quick sort in python' \
-s 

Snapshots:

Checklist:

• My code follows the style guidelines of this project
• I have already rebased the commits and make the commit message conform to the project standard.
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Any dependent changes have been merged and published in downstream modules

[Aries-ckt]

r+

[Aries-ckt]

test success!

[csunny]

r+