[Improvement] Fetch the table schema from BigQuery

[donch1989]

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Is There an Existing Issue for This?

• [X] I have searched the existing issues

Where are you aiming to make improvements?

Instill Core

Is your Proposal Related to a Problem?

In the current BigQuery connector, the data input is freeform. The users might not know how to provide the correct data.

Describe Your Proposed Improvement

1. Fetch the schema from BigQuery
2. Map the BigQuery data type to InstillFormat
3. Embed the data schema directly in the component JSON schema, so the user can see them on Console

Highlight the Benefits

No response

Anything Else?

No response