Implement Bigquery native transfers

[sunank200]

Description

What is the current behavior?

Add native transfers for Bigquery from S3, GCS and Local

closes: #20

What is the new behavior?

• Add native transfer implementation for GCS to BigQuery
• Add native transfer implementation for S3 to BigQuery
• Add native transfer implementation for Local to BigQuery
• Add example DAG
• Add tests
• Add documentation

Does this introduce a breaking change?

No

Checklist

• [x] Created tests which fail without the change (if possible)
• [x] Extended the README / documentation, if necessary

[sunank200]

Screenshot of documentation

[codecov-commenter]

Codecov Report

Patch coverage: 90.62% and project coverage change: +1.59 :tada:

Comparison is base (2ad5ab6) 60.92% compared to head (e83030f) 62.51%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #66 +/- ## ========================================== + Coverage 60.92% 62.51% +1.59% ========================================== Files 40 40 Lines 2380 2505 +125 Branches 228 237 +9 ========================================== + Hits 1450 1566 +116 - Misses 882 887 +5 - Partials 48 52 +4 ``` | Flag | Coverage Δ | | |---|---|---| | UTO | `62.51% <90.62%> (+1.59%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astronomer#carryforward-flags-in-the-pull-request-comment) to find out more. | [Impacted Files](https://app.codecov.io/gh/astronomer/apache-airflow-provider-transfers/pull/66?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astronomer) | Coverage Δ | | |---|---|---| | [...l\_transfer\_operator/universal\_transfer\_operator.py](https://app.codecov.io/gh/astronomer/apache-airflow-provider-transfers/pull/66?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astronomer#diff-c3JjL3VuaXZlcnNhbF90cmFuc2Zlcl9vcGVyYXRvci91bml2ZXJzYWxfdHJhbnNmZXJfb3BlcmF0b3IucHk=) | `79.48% <0.00%> (ø)` | | | [...perator/data\_providers/database/google/bigquery.py](https://app.codecov.io/gh/astronomer/apache-airflow-provider-transfers/pull/66?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astronomer#diff-c3JjL3VuaXZlcnNhbF90cmFuc2Zlcl9vcGVyYXRvci9kYXRhX3Byb3ZpZGVycy9kYXRhYmFzZS9nb29nbGUvYmlncXVlcnkucHk=) | `83.82% <91.33%> (+11.67%)` | :arrow_up: | ... and [1 file with indirect coverage changes](https://app.codecov.io/gh/astronomer/apache-airflow-provider-transfers/pull/66/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astronomer)

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