[V1.0] Update for the agents package

[kieutrongthien]

• Update task statuses after code is generated
• Implement ask tool; this tool will ask the user questions through the CLI and use the answers as prompt input
• Implement shell tool; this tool can execute user shell scripts based on their OS (Windows / Mac / Linux)
• Implement Tester agent → still defining the design and behavior
• Improve memory for the agents; save more details to the .omaikit/memory/ folder and ensure agent processes can be resumed
• Update the omaikit code command so that if the user adds a specific request, it will follow that request, for example: omaikit code "Add validation to the login router"
• Update the omaikit init command so that if the user already has source code, it will analyze the codebase and generate the necessary files to understand the project
• Find a way to reduce token usage