Add basic Tiltfile for Python SDK local dev

[kaxil]

https://tilt.dev/ is a powerful dev tool when using containers.

It can automatically restart containers and sync files between localhost and container

Checklist

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

[codecov]

Codecov Report

Patch coverage: 95.43% and project coverage change: +0.50 🎉

Comparison is base (fe4e83d) 92.60% compared to head (7086253) 93.10%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1819      +/-   ##
==========================================
+ Coverage   92.60%   93.10%   +0.50%     
==========================================
  Files          91       93       +2     
  Lines        4907     4976      +69     
  Branches      492      492              
==========================================
+ Hits         4544     4633      +89     
+ Misses        264      245      -19     
+ Partials       99       98       -1     

Impacted Files	Coverage Δ
python-sdk/src/astro/databases/google/bigquery.py	88.39% <ø> (ø)
...stro/sql/operators/data_validations/check_table.py	93.10% <ø> (ø)
python-sdk/src/astro/files/locations/amazon/s3.py	87.27% <57.14%> (ø)
python-sdk/src/astro/databases/snowflake.py	83.90% <60.00%> (ø)
python-sdk/src/astro/databases/databricks/delta.py	90.07% <66.66%> (+7.09%)	⬆️
python-sdk/src/astro/files/base.py	99.14% <91.66%> (ø)
sql-cli/sql_cli/operators/load_file.py	95.65% <92.00%> (-4.35%)	⬇️
python-sdk/src/astro/databases/base.py	90.53% <95.83%> (+2.05%)	⬆️
python-sdk/src/astro/databases/duckdb.py	96.72% <96.72%> (ø)
python-sdk/src/astro/databases/mssql.py	97.20% <97.20%> (+3.49%)	⬆️
... and 21 more

... and 1 file with indirect coverage changes

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