feat: implement comprehensive query paradigm zoo system (issue #62)

- Created extensible BaseQueryParadigm interface with standardized QueryResult format
- Implemented QueryParadigmRegistry for paradigm discovery and management
- Added 5 working paradigms: SQL, FTS, GraphQL, JSONPath, Natural Language
- Documented 9 additional paradigms: QBE, Batch Manipulation, Visual Query Builder, REST API, NoSQL, UNIX Pipeline, XPath/XQuery, RAG, Data Transformation
- Integrated full CLI interface: list, search, show, exec, categories commands
- Added comprehensive test suite with 23 test cases covering all components
- Auto-registration system enables easy addition of new paradigms
- Organized paradigms by category (structural, textual, semantic, visual, procedural, network) and complexity (beginner, intermediate, advanced)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

markitect/query_paradigms/paradigms/__init__.py

@@ -0,0 +1,61 @@
+"""
+Implementations of various query paradigms.
+"""
+
+from .sql_paradigm import SQLQueryParadigm
+from .fts_paradigm import FullTextSearchParadigm
+from .graphql_paradigm import GraphQLQueryParadigm
+from .jsonpath_paradigm import JSONPathQueryParadigm
+from .natural_language_paradigm import NaturalLanguageQueryParadigm
+from .qbe_paradigm import QueryByExampleParadigm
+from .batch_paradigm import BatchManipulationParadigm
+from .visual_builder_paradigm import VisualQueryBuilderParadigm
+from .rest_api_paradigm import RESTAPIParadigm
+from .nosql_paradigm import NoSQLQueryParadigm
+from .unix_pipeline_paradigm import UNIXPipelineParadigm
+from .xpath_paradigm import XPathParadigm
+from .rag_paradigm import RAGParadigm
+from .transform_paradigm import DataTransformationParadigm
+
+# Auto-register all paradigms
+from ..registry import registry
+
+_paradigms = [
+    # Implemented paradigms
+    SQLQueryParadigm(),
+    FullTextSearchParadigm(),
+    GraphQLQueryParadigm(),
+    JSONPathQueryParadigm(),
+    NaturalLanguageQueryParadigm(),
+
+    # Documentation-only paradigms (not yet implemented)
+    QueryByExampleParadigm(),
+    BatchManipulationParadigm(),
+    VisualQueryBuilderParadigm(),
+    RESTAPIParadigm(),
+    NoSQLQueryParadigm(),
+    UNIXPipelineParadigm(),
+    XPathParadigm(),
+    RAGParadigm(),
+    DataTransformationParadigm()
+]
+
+for paradigm in _paradigms:
+    registry.register(paradigm)
+
+__all__ = [
+    'SQLQueryParadigm',
+    'FullTextSearchParadigm',
+    'GraphQLQueryParadigm',
+    'JSONPathQueryParadigm',
+    'NaturalLanguageQueryParadigm',
+    'QueryByExampleParadigm',
+    'BatchManipulationParadigm',
+    'VisualQueryBuilderParadigm',
+    'RESTAPIParadigm',
+    'NoSQLQueryParadigm',
+    'UNIXPipelineParadigm',
+    'XPathParadigm',
+    'RAGParadigm',
+    'DataTransformationParadigm'
+]