[INS-2334] [Improvement] improve the component contribution workflow

[donch1989]

Is There an Existing Issue for This?

• [X] I have searched the existing issues

Project

Instill VDP

Is your Proposal Related to a Problem?

Need to improve the contribution guideline for components (connectors and operators)

Describe Your Proposed Improvement

• [ ] Update contribution guideline in component
• [ ] Add more comments in any component, such as base64 operator as a example implementation.
• [ ] Design a testing framework for all component implementation

Highlight the Benefits

No response

Anything Else?

No response

_{From SyncLinear.com | INS-2334}