Re-structure the project.

src/matcher/strategies/__init__.py

@@ -0,0 +1,17 @@
+"""
+Matching strategies for field matching.
+"""
+
+from .exact_matcher import ExactMatcher
+from .concatenated_matcher import ConcatenatedMatcher
+from .substring_matcher import SubstringMatcher
+from .fuzzy_matcher import FuzzyMatcher
+from .flexible_date_matcher import FlexibleDateMatcher
+
+__all__ = [
+    'ExactMatcher',
+    'ConcatenatedMatcher',
+    'SubstringMatcher',
+    'FuzzyMatcher',
+    'FlexibleDateMatcher',
+]