Rest duckdb source

[ahuang11]

Builds upon #1518

from lumen.sources.rest_duckdb import RESTDuckDBSource

# Create a source with multiple REST tables
source = RESTDuckDBSource(
    uri=':memory:',
    tables={
        # https://mesonet.agron.iastate.edu/cgi-bin/request/daily.py?stations=AMW&sts=2019-01-01&ets=2019-01-31&format=csv
        'daily': {
            'url': 'https://mesonet.agron.iastate.edu/cgi-bin/request/daily.py',
            'url_params': {'stations': 'ABR', 'sts': '2025-12-08', 'ets': '2025-12-09', 'network': 'SD_ASOS', 'format': 'csv'},
        },
        # https://mesonet.agron.iastate.edu/cgi-bin/request/raob.py?station=KABR&sts=2025-12-08T15%3A49&ets=2025-12-09T15%3A49
        'raob': {
            'url': 'https://mesonet.agron.iastate.edu/cgi-bin/request/raob.py',
            'url_params': {'station': 'KABR', 'sts': '2025-12-08T15:49', 'ets': '2025-12-09T15:49', 'format': 'csv'},
        },
    }
)

source.get("daily", url_params={'stations': 'CMI', 'sts': '2025-12-08', 'ets': '2025-12-09', 'network': 'IL_ASOS', 'format': 'csv'})
print(source.render_table_url('daily', url_params={'stations': 'CMI', 'sts': '2025-12-08', 'ets': '2025-12-09', 'network': 'IL_ASOS', 'format': 'csv'}))
print(source.create_sql_expr_source(tables={"daily2": "SELECT * FROM daily LIMIT 5 OFFSET 1"}).get("daily2"))

[codecov]

Codecov Report

❌ Patch coverage is 96.68874% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 62.75%. Comparing base (fde1d77) to head (3a8fca0).
⚠️ Report is 258 commits behind head on main.

Files with missing lines	Patch %	Lines
lumen/sources/rest_duckdb.py	86.66%	12 Missing ⚠️
lumen/tests/sources/test_rest_duckdb.py	99.14%	2 Missing ⚠️
lumen/sources/duckdb.py	95.45%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1514      +/-   ##
==========================================
+ Coverage   62.11%   62.75%   +0.64%     
==========================================
  Files         150      152       +2     
  Lines       23001    23434     +433     
==========================================
+ Hits        14286    14706     +420     
- Misses       8715     8728      +13     

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