feat(lance): Support lance namespace read and write

[shaofengshi]

Changes Made

This PR implements Lance REST Namespace Catalog support, enabling Daft to read from and write to Lance tables managed by REST-compliant services like LanceDB Cloud, Apache Gravitino, and other catalog systems.

Unified API with REST Support:

• Enhanced daft.read_lance() and df.write_lance() to support REST URIs (rest://namespace/table)
• Added LanceRestConfig class for REST service configuration (authentication, timeouts, custom headers)
• URI-based routing automatically detects REST vs file-based Lance tables

Core Implementation:

• LanceRestScanOperator with filter pushdown, column selection, and count operations
• REST write operations supporting create, append, and overwrite modes
• Catalog management functions for table creation and registration
• Comprehensive error handling and logging

Enterprise Integration:

• Namespace support for multi-tenant environments
• API key authentication and custom headers
• Compatible with Lance REST Namespace OpenAPI specification

Related Issues

Closes #5489

[codecov]

Codecov Report

❌ Patch coverage is 85.62300% with 45 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.65%. Comparing base (fb45faf) to head (970a083).

Files with missing lines	Patch %	Lines
daft/io/lance/rest_scan.py	80.10%	37 Missing ⚠️
daft/io/lance/rest_write.py	91.89%	6 Missing ⚠️
daft/dataframe/dataframe.py	89.47%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5980      +/-   ##
==========================================
+ Coverage   72.63%   72.65%   +0.02%     
==========================================
  Files         970      973       +3     
  Lines      126562   126862     +300     
==========================================
+ Hits        91924    92171     +247     
- Misses      34638    34691      +53     

Files with missing lines	Coverage Δ
daft/io/__init__.py	100.00% <100.00%> (ø)
daft/io/lance/__init__.py	100.00% <100.00%> (ø)
daft/io/lance/_lance.py	92.10% <100.00%> (+0.92%)	⬆️
daft/io/lance/rest_config.py	100.00% <100.00%> (ø)
daft/dataframe/dataframe.py	77.53% <89.47%> (+0.19%)	⬆️
daft/io/lance/rest_write.py	91.89% <91.89%> (ø)
daft/io/lance/rest_scan.py	80.10% <80.10%> (ø)

... and 7 files with indirect coverage changes

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[kevinzwang]

@universalmind303 could you take a look at this?